Woodwind instruments produce sound by plucking strings.
Question 3 options:
True
False
Answers
Answer:
false
Explanation:
they do not have strings
Related Questions
Who has Miley and Elizabeth as a friend my brainy kicked me off and I had a lot of friends but whoever was Miley and Elizabeth as there friend please put me !!!!.... there the best friends I have ever had so if you guys do than thanks
Answers
Three reasons why lron cannot be used to make a replacement joint
Answers
Iron's susceptibility to corrosion, poor biocompatibility, and lack of mechanical strength make it unsuitable for use in replacement joints.
First of all, iron is very prone to corrosion when exposed to moisture and oxygen, which might eventually cause the joint to degrade. The joint may become unsuitable for long-term usage in the human body due to corrosion, which can degrade the joint's structural integrity and affect its functionality.
Second, iron has poor biocompatibility, which means that when it comes into touch with live tissues, it may result in unfavourable reactions and tissue responses. This may cause inflammation, immunological reactions, and even the immune system of the body rejecting the joint. Materials with strong biocompatibility are selected to guarantee a successful replacement joint to reduce the risk of problems and enhance patient outcomes.
The mechanical strength needed for a replacement joint is also lacking in iron. In order to endure the loads and forces that joints are subjected to during movement, a material must be strong enough. Iron is a powerful metal, but it might not have the best mechanical qualities, such as high tensile strength, fatigue resistance, and longevity, needed for a joint replacement.
These factors lead to the use of other materials, such as titanium alloys or cobalt-chromium alloys, which provide higher corrosion resistance, biocompatibility, and mechanical qualities suited for long-term usage in the human body.
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how much flower do you need for a cake
Answers
Answer:
1 cup also it is flour
Explanation:
Answer:
It truly depends on what kind of cake your trying to make, but if you look up an easy cake recipe then it should tell you. Usually 2-3 cups of flour are at least needed
Explanation:
This excerpt discusses the effects of the atomic bombings on the inhabitants of hiroshima and nagasaki. Select the highlighted phrase that explains what sight caused the terror japanese people experienced after the bombings.
Answers
The highlighted phrase that talks about the sight caused the terror Japanese people experienced after the bombings was that:
"After the atomic bombings the appearance of a single plane caused more terror and disruption of normal life"What was the effect of the bomb on Hiroshima and Nagasaki?The bombing was said to have lead to the death of about 140,000 people in Hiroshima, and also about 74,000 in Nagasaki.
There was environmental pollution due to the bombing and a lot of survivors had issues such as leukemia, cancer, and other effects from radiation from the bomb.
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In a certain language “SUDAN” is coded as “45” and “ITALY” is coded as “9”. What will be the code for the “EGYPT” in that language?
who will tell in 4 minutes will be marked as brainliest
Answers
Answer:
If we consider each letter in the word "SUDAN" and "ITALY" as a digit, where "A" is represented by 1, "B" by 2, and so on, then we can add up the digits in each word to get their respective codes.
For "SUDAN," we have:
S = 19
U = 21
D = 4
A = 1
N = 14
Adding these up, we get:
19 + 21 + 4 + 1 + 14 = 59
So "SUDAN" is coded as "59."
For "ITALY," we have:
I = 9
T = 20
A = 1
L = 12
Y = 25
Adding these up, we get:
9 + 20 + 1 + 12 + 25 = 67
So "ITALY" is coded as "67."
Now, for "EGYPT," we have:
E = 5
G = 7
Y = 25
P = 16
T = 20
Adding these up, we get:
5 + 7 + 25 + 16 + 20 = 73
So "EGYPT" is coded as "73."
Which statements describe the cell membrane
Answers
Answer:The cell membrane lets anything enter the cell. The cell membrane lets anything leave the cell. The cell membrane is a protective layer surrounding a cell. The cell membrane allows waste to leave the cell.
Explanation:
Answer:
The cell membrane provides a fixed cell structure, and controls what enters and leaves the cell.
I hope this answers your question :)
If x > 3, which of the following is equivalent to
1 over
1/x+2 plus 1/x+3?
A. 2x+5 over x squared +5x +6
B. x squared +5x +6 over 2x +5
C. 2x +5
D. x squared + 5x + 6
Answers
The expression that is equivalent is; 2x+5/x^2 + 5x + 6
What is an equivalent expression?An equivalent expression is a different mathematical expression that has the same value as the original expression. In other words, if you evaluate both expressions, you will get the same result.
Given that;
1/x + 2 + 1/x + 3
(x + 3) + (x + 2)/(x + 2) (x + 3)
2x + 5/(x + 2) (x + 3)
2x + 5/x^2 + 3x + 2x + 6
2x + 5/x^2 + 5x + 6
Thus the equivalent expression is given as;
2x + 5/x^2 + 5x + 6
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20ax - x= 5 in the equation above, a is a constant if the equation has no solution, what is the value of a ?
Answers
20ax - x = 5
x(20a - 1) = 5
For this equation to have no solution, the left side of the equation must be equal to 0 (since any number multiplied by 0 is 0). Therefore, we can set the expression inside the parentheses equal to 0 and solve for a:
20a - 1 = 0
20a = 1
a = 1/20
So if the equation 20ax - x = 5 has no solution, then the value of a is 1/20.
Se tienen 2 canastas. Cada una contiene calabazas y zanahorias. En la primera canasta hay el doble de kilos de calabaza que en la segunda y en la segunda canasta hay 3 kilos más de zanahoria que los kilos de calabaza que hay en la primera. La primera canasta tiene 4 kilos menos de zanahoria que la segunda. ¿cuántos kilos pesan ambas canastas en conjunto?
Answers
Entonces, la primera canasta contiene "2x" kilos de calabaza y "x - 4" kilos de zanahoria, mientras que la segunda canasta contiene "x" kilos de calabaza y "x + 3" kilos de zanahoria.
La pregunta es cuánto pesan ambas canastas en conjunto. Para saber eso, simplemente sumamos la cantidad de kilos de calabaza y la cantidad de kilos de zanahoria:
((2x) + x) + ((x - 4) + (x + 3))
Simplificando, obtenemos:
4x - 1
Por lo tanto, la suma de los kilos de ambas canastas es de "4x - 1" kilos.
Ahora debemos despejar "x" para encontrar la solución completa. Para ello, podemos utilizar la siguiente información:
- La primera canasta tiene 4 kilos menos de zanahoria que la segunda. Es decir, (x - 4) kilos de zanahoria en la primera canasta es igual a (x + 3) kilos de zanahoria en la segunda canasta menos 4 kilos. Entonces:
x - 4 = x + 3 - 4
x - 4 = x - 1
-4 = -1
Esto es imposible, lo que indica que hay un error en los datos. Quizás haya un error de digitación o se trate de un problema que ha sido escrito incorrectamente.
If the weight of an object on earth is 245 n, what must be the mass of the object?.
Answers
Answer:
128
Explanation:
(02.09 MC) Your community faces a challenging issue. Five different plans are identified to address the problem. You will serve on a volunteer committee to e recommendation to the city council. Which economic process will best serve your committee in this task? Circular flow diagram O Cost-benefit analysis Rational decision-making model O Marginal cost and revenue analysis ( 02.09 MC ) Your community faces a challenging issue . Five different plans are identified to address the problem . You will serve on a volunteer committee to e recommendation to the city council . Which economic process will best serve your committee in this task ? Circular flow diagram O Cost - benefit analysis Rational decision - making model O Marginal cost and revenue analysis
Answers
The economic process will best serve your committee in this task's rational decision-making model. Thus the correct answer is C.
What is the rational decision making model?When the optimal selection of solution is utilized, a rational decision-making model is used. It includes evaluating many possibilities while utilizing reliable information or facts to make decisions.
When teams have the time to explore options and discuss potential outcomes, rational decision-making is used. Its objective is to maximize the advantages and reduce the disadvantages of decisions.
Therefore, option C, being a volunteer, a recommendation of the rational decision-making model will be appropriate.
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Answer:
C. Rational decision - making model
Explanation:
Took the test and got it right!
Have a nice day!
Essay Bread by Margaret Atwood 1 Imagine a piece of bread. You don't have to imagine it, it's right here in the kitchen, on the breadboard, in its plastic bag, lying beside the bread knife. The bread knife is an old one you picked up at an auction; it has the word BREAD carved into the wooden handle. You open the bag, pull back the wrapper, cut yourself a slice. You put butter on it, then peanut butter, then honey, and you fold it over. Some of the honey runs out onto your fingers and you lick it off. It takes you about a minute to eat the bread. This bread happens to be brown, but there is also white bread, in the refrigerator, and a heel of rye you got last week, round as a full stomach then, now going moldy. Occasionally you make bread. You think of it as something relaxing to do with your hands. 2 Imagine a famine. Now imagine a piece of bread. Both of these things are real but you happen to be in the same room with only one of them. Put yourself into a different room, that's what the mind is for. You are now lying on a thin mattress in a hot room. The walls are made of dried earth, and your sister, who is younger than you, is in the room with you. She is starving, her belly is bloated, flies land on her eyes; you brush them off with your hand. You have a cloth too, filthy but damp, and you press it to her lips and forehead. The piece of bread is the bread you've been saving, for days it seems. You are as hungry as she is, but not yet as weak. How long does this take? When will someone come with more bread? You think of going out to see if you might find something that could be eaten, but outside the streets are infested with scavengers and the stink of corpses is everywhere. Should you share the bread or give the whole piece to your sister? Should you eat the piece of bread yourself? After all, you have a better chance of living, you're stronger. How long does it take to decide?
Answers
Answer:
In Bread by Margaret Atwood we have the theme of perception, connection, control, greed and change. Narrated in the first person by an unnamed narrator the reader realises after reading the story that Atwood may be exploring the theme of perception and change. It is as though by her continued use of the word ‘imagine’ in each paragraph that Atwood is attempting to change the readers opinion on something as simple as a piece of bread (or food in general). Each paragraph in the story takes on a different situation. Each involving bread and how an individual can be effected by either having no bread or having a plentiful supply of bread. The first paragraph of the story as an example there are three different types of bread available to the reader. Which may leave some critics to suggest that Atwood is targeting the middle classes of the Western world. A world in whereby one has more than they need. Though may not necessarily be able to connect with those who have little or nothing. A fact that is reiterated in the second paragraph of the story when Atwood brings in a young boy who is starving and who is unsure as to whether to eat the only piece of bread available to him or to give it to his sister who is also starving.
The third paragraph which is set in a prison has a strong theme revolving around control. As a prisoner the reader is forced to imagine that they must admit to what their captors want them to admit to in order to survive. As to whether the prisoner is going to tell the truth is not so much the point. The point is that others by using food as a bargaining chip have complete control over the prisoner. The prisoner also is more captive to their home, symbolized by the yellow bowl, than they are to the pieces of bread that may be offered to them. Which may be the point that Atwood is attempting to make. Home for the prisoner represents comfort. A place in whereby they are not confronted with the choices that are imposed on them in prison. A simple thing like bread is not as important to the prisoner as they have the luxury of eating bread in their own home on their own timetable. Something that is not afforded to the prisoner while in prison. In prison the bread being offered is being used as a bargaining chip.
The fourth paragraph of the story is also interesting as Atwood appears to be drawing on the German folk tale ‘God’s Food’ to highlight how those who have plenty can be selfish and greedy regardless of who may ask them for help. Again there is a sense that Atwood is directing the reader’s attention to the middle classes and possibly suggesting that they have lost connection with those who are less fortunate. The woman in the folk tale has no sympathy for her sister. This could be important as it suggests that the woman may have forgotten her roots and may in reality be dazzled or blinded by her own success. Leaving her sister to starve. Something that some readers may consider to be shocking but nonetheless a part of life. A person may progress in life and forget about where they come from and forgo assisting those who know them best. As is the case in the folk tale. The blood that comes from the bread when the husband cuts the bread may also symbolise the sister’s blood. She is sure to die as she has no food to eat.
The themes of perception, connection, control, greed, and transformation are explored in Bread by Margaret Atwood. After reading the story, the reader realizes that Atwood may be examining the issue of perception and transformation.
What is the theme of the poem "Margaret Atwood"?The story is told in the first person by an unidentified narrator. It appears that Atwood is trying to sway the reader's view about something as basic as a loaf of bread by repeatedly using the word "imagine" in each line (or food in general). The story's paragraphs each focus on a distinct situation. Every one of them concerning bread and how having either no bread or a lot of bread could affect a person.
Three different sorts of bread are available to the reader in the first paragraph of the text as an illustration. This could lead some detractors to claim that Atwood is speaking directly to the Western middle class. a setting where people have more than they require. However, you might not always be able to relate to people who have little to nothing. This aspect is emphasized in the second paragraph of the story by Atwood, who introduces a young boy who is famished and torn between eating the single piece of bread he can find and giving it to his starving sister.
Control is a major issue in the third paragraph, which is set in a prison. The reader is made to envision themselves in the position of a captive who must confess to what their captors want them to confess to survive. The question of whether the prisoner will disclose the truth is not the main concern. The idea is that others may completely control the prisoner by using food as a bargaining chip. The yellow bowl represents the prisoner's house, which they are more hostage to than they are to any bread that may be handed to them. Which may be the argument Atwood is putting up. For the prisoner, a home is a place of comfort.
The fourth line of the story is also intriguing because Atwood seems to be using the German folktale "God's Food" to show how those with plenty may be ungrateful and selfish no matter who asks for assistance. Once more, it seems as though Atwood is calling the reader's attention to the middle classes and posing the possibility that they have forgotten about others who are less fortunate. In the folktale, the woman shows no pity for her sister. This could be significant since it implies that the woman may have lost sight of her origins and may perhaps be oblivious to or dazzled by her success. allowing her sibling to go hungry. Something that may be disturbing to some readers but is nevertheless a fact of life. As one moves through life, one could lose sight of their origins and neglect to help the people closest to them. similar to how it is in the folktale. When the husband chops the bread, blood may spill out, symbolizing the sister's blood. She has nothing to eat, thus death is a given.
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casio, a giant electronic products producer, synthesizes it abilities in miniaturization, microprocessor design, material science, and ultrathin precision castings to produce digital watches. it uses the same skills to produce other non-related products. this skillset is a/an
Answers
Answer: core
Explanation:
What are five things you want to convey about yourself in your personal statement?
Be specific and this is about college.
Answers
Answer:
Here are five things that a typical student might want to convey in their college personal statement:
Passion and motivation: Show the reader why you are passionate about pursuing higher education and what motivates you to succeed in your chosen field of study.Unique background and experiences: Highlight experiences that have shaped your personal and academic journey, and what sets you apart from other applicants.Strong academic track record: Discuss your academic achievements, such as grades, test scores, and relevant coursework, to demonstrate your academic potential and commitment to success.Relevant skills and interests: Discuss any relevant skills, extracurricular activities, and interests that have prepared you for college and have relevance to your intended field of study.Goals and aspirations: Discuss your future goals and aspirations, and how earning a college degree will help you achieve them. Explain how the college you are applying to fits with your plans and how you plan to contribute to the college community.Elizabeth makes cookies in 10 min, her sister makes them in 10 min. How long will it take to make them if they work together?
Answers
Answer: 10 minutes
Explanation: because both of them are making the cookies at the same time
what do you mean by physical quality
Answers
Physical quality refers to a tangible object or entity's characteristics, attributes, or properties that determine its level of excellence, durability, reliability, or overall performance.
It refers to the objective measures of how well a product or service meets the established standards or specifications.
Physical quality is typically evaluated based on factors such as appearance, functionality, structural integrity, strength, precision, consistency, and other physical attributes.
For example, in manufacturing, physical quality may involve assessing the dimensional accuracy, material properties, surface finish, and overall workmanship of a product. In the context of services, physical quality may refer to the condition and maintenance of physical facilities, equipment, or infrastructure.
Maintaining high physical quality is important for customer satisfaction, as it directly affects the usability, reliability, and longevity of a product or service. By meeting or exceeding customer expectations in terms of physical quality, businesses can enhance their reputation, build customer loyalty, and gain a competitive advantage in the marketplace.
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I need a description on how an electromagnetic wave carries energy from place to place
Answers
Electromagnetic waves bring energy into a system by virtue of their electric and magnetic fields. These fields can exert forces and move charges in the system and, thus, do work on them. ... Once created, the fields carry energy away from a source.
Whats a fire abd why soes it whats the word burn
Answers
Answer: we stan the little mermaid
How does money function as a medium of exchange? O A. It can be made of paper, metal, or many other materials. O B. It allows people to buy, sell, and trade goods efficiently. O C. It has a value that is set and changed by the government. O D. It can be used to compare the value of different products.
Answers
Answer: B. It allows people to buy, sell, and trade goods efficiently.
Money functions as a medium of exchange by providing a common currency that can be used to buy and sell goods and services. Money allows for efficient and convenient transactions, as it eliminates the need for bartering and reduces the risk of people not accepting a currency in exchange for goods. Money also has a value that is set by the market, rather than the government, and it can be used to compare the value of different products.
Why can Dry food such as instant noodles, biscuits and potato chips be stored for a long time
Answers
Answer:
Dry foods such as instant noodles, biscuits and potato chips can be stored for a long time because they contain very little moisture. Moisture is what causes food to spoil quickly. Dry foods that contain less than 10 percent of moisture are the perfect candidates for long-term storage. Anything higher than ten could be difficult. 13% is a crucial number, with any foods higher than that posing too high of risk towards bacteria, mold, and fungus growth.
To store dry food properly, it should be kept in a cool and dry place. The storage temperature helps determine the length of storage; the higher the temperature, the shorter the storage time. Dried foods are susceptible to insect contamination and moisture reabsorption and must be properly packaged and stored immediately.
Explanation:
Hope this helps
Answer:
well exposing this things to air can make them spoil meaning they put preservatives in the packet of the biscuits the preservatives arent perment so they could spoil in the case,while exposing them to air can make them soft leading to spoilage
L 8.1.2 Exam: Semester Exam
Which statement best summarizes the following portion of the Declaration of
Independence?
We hold these truths to be self-evident, that all men are
created equal, that they are endowed by their Creator with
certain unalienable Rights, that among these are Life,
Liberty and the pursuit of Happiness.. That to secure
these rights, Governments are instituted among Men,
deriving their just powers from the consent of the
governed, That whenever any Form of Government
becomes destructive of these ends, it is the Right of the
People to alter or to abolish it, and to institute new
Government, laying its foundation on such principles and
organizing its powers in such form, as to them shall seem
most likely to effect their Safety and Happiness.
-
O A. Governments tend to interfere with people's rights.
B. All human beings are equal and should have an equal share of the
land.
ty
O
C. People have certain rights and it is the role of government to
protect those rights.
Answers
The statement that best summarizes the following portion of the Declaration of Independence is "People have certain rights and it is the role of government to protect those rights." (Option C)
How is this so?The statement emphasizes that all individuals are inherently equal and possess unalienablerights such as life, liberty, and the pursuit of happiness.
It asserts that governments are established to safeguard these rights and derive their power from the consent of the governed.
If a government fails to upholdthese principles, the people have the right to change or replace it with a new government that prioritizes their safety and well-being.
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First person to give me an exotic color gets brainliest
Answers
Answer:
Framboise.
Would this work?
If it does have a good day
Answer:
ultra vilot
infared
brrrrraaaaaaaaaaaaaiiiiiinnnnnnnnnn pppppppplllllllllllsssssssssssss
Explanation:
___ is paid or unpaid temporary that allows someone to learn about a particular company
Answers
Answer:
internship
...................
Answer:
Internship
Explanation:
Rhea has 36 homework problems to complete. She completes 12 on Monday. On Tuesday, she completes 23 of the remaining problems.
How many problems does Rhea still have to complete after Tuesday?
Answers
Explanation:
She started with 36
She completed 12, so we'll take 12 away
36-12=24
Tuesday she does 23
24-23=1
She only has 1 problem to complete after Tuesday
What are the economic pros and cons of Gambling in Nebraska?
Answers
Pros:
Increased revenue: The legalization of gambling in Nebraska could potentially bring in additional revenue for the state through taxes and fees on gambling activities. This revenue could be used to fund public services and infrastructure projects.
Job creation: The gambling industry has the potential to create new jobs in the state, particularly in the areas of hospitality, tourism, and gaming operations.
Tourism: Casinos and other gambling establishments can attract tourists to the state, which can have a positive impact on local businesses and the overall economy.
Cons:
Negative social impacts: Gambling can have negative social impacts, such as addiction, bankruptcy, and family problems. These problems can lead to increased demand for social services, such as counseling, financial assistance, and healthcare.
Potential for increased crime: Some studies suggest that the presence of gambling establishments can increase crime rates, particularly for property crimes like theft and burglary.
Risk of economic instability: The gambling industry can be unpredictable, and a downturn in the industry could have negative economic consequences for the state. Additionally, the dependence on gambling revenue can lead to a lack of diversification in the state's economy, which can make it vulnerable to economic shocks.
In summary, while gambling has the potential to generate revenue and create jobs in Nebraska, it also comes with social and economic risks that need to be carefully considered. It is important for policymakers to weigh the potential benefits and costs of legalizing gambling in the state, and to implement measures to mitigate the negative impacts of gambling on individuals and communities.
All forms of electromagnetic radiation occur as waves.
true
false
Answers
I think that electromagnetic radiation can occur in other forms such as rays. Rays and waves seem similar and are both apart of the electromagnetic spectrum, but they take different forms.
A fuel pump at a gasoline station doesn't always dispense the exact amount displayed on the meter. when the meter reads 1.000\text{ l}1.000 l1, point, 000, start text, space, l, end text, the amount of fuel a certain pump dispenses is normally distributed with a mean of 1\text{ l}1 l1, start text, space, l, end text and standard deviation of 0.05\text{ l}0.05 l0, point, 05, start text, space, l, end text. let xxx represent the amount dispensed in a random trial when the meter reads 1.000\text{ l}1.000 l1, point, 000, start text, space, l, end text. find p(x>1.05)p(x>1.05)p, left parenthesis, x, is greater than, 1, point, 05, right parenthesis.
Answers
Based on the calculations, the value of \(P(x > 1.05)\) is approximately equal to 0.16.
Given the following data:
Sample mean = 1.05Standard deviation = 0.05Mean = 1.000.How to calculate the z-score.In Mathematics, z-scores can either be negative or positive and it is generally calculated by using this formula:
\(Z=\frac{x\;-\;u}{\delta}\)
Where:
x is the sample mean.u is the mean.\(\delta\) is the standard deviation.Substituting the given parameters into the formula, we have;
\(Z=\frac{1.05\;-\;1.000}{0.05}\\\\Z=\frac{0.05}{0.05}\)
Z = 1.0.
Therefore, we have;
\(P(x > 1.05)=P(Z > 1)\)
From the z-table, a z-score of 1.0 corresponds to or has a p-value of 0.1587. Therefore, the p-value for this test is 0.1587 > 1.05.
In conclusion, the value of \(P(x > 1.05)\) is approximately equal to 0.16.
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Answer:
Explanation:
i got 0.5 on khan
What are some tests for assessing each of the health-related components of fitness
Answers
Cardiorespiratory fitness: Twelve minute walk/run test to calculate a predicted maximal oxygen consumption test (VO2max/VO2peak).
Muscular strength and endurance: One-minute push-ups. ...
Flexibility: Sit and reach test. ...
Balance: Stork stand test.
Answer:
The fitness gram and pacer test
Explanation:
In the Holy bible, Noah’s ark and Solomon’s temple at Jerusalem showed units of measurement used in that period, for example cubits. What is the equivalent of each unit in SI?
PLS
Answers
The equivalent of each unit in SI of Norah's Ark was lenght=137.16m,hieght =13.71m and width= 22.86m and Solomon’s temple at Jerusalem was lenght =27.432m,hieght =13.71m and width= 9.144m.
In the olden days, God gave Noah the dimensions for the ark in cubits. “This is how you are to make it: the length of the ark 300 cubits, its breadth 50 cubits, and its height 30 cubits” (Genesis 6:15).
The dimensions for the Jerusalem Temple King Solomon built: “60 cubits long, 20 cubits wide and 30 cubits high” (1 Kings 6:2).
the SI unit of length is Meters. Therefore 1 Cubit= 0.4572m;
Calculating The dimensions of Noarh's Ark;
Length= 300 X 0.4572= 137.16m
Width=50 * 0.4572=22.86m
Height=30*0.4572=13.716m
Calculating the dimensions of Solomon’s temple;
Length= 60 X 0.4572= 27.432m
Width=20 * 0.4572=9.144m
Height=30*0.4572=13.716m
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Which element below is least reactive? Which element below must be stored in oil because of its reactivity?
Answers
Answer: helium. sodium
The ability of an atom or element to undergo chemical changes is referred to as reactivity. Sodium is a highly reactive element that is stored in kerosene oil. And the one that is least reactive is helium. As a result, the correct options are A and C respectively.
What is reactivity?The ability of an element to form a new substance through chemical reactions is referred to as reactivity.
They have the ability to easily displace another element from reactions. Alkali metals in Group I are highly reactive elements that should be kept away from water and air.
Sodium is an alkali metal that must be stored in kerosene oil because it is highly reactive with oxygen and water, releasing large amounts of heat in an exothermic reaction.
Kerosene, on the other hand, is a hydrocarbon that does not react with a sodium atom.
Also, as the helium is a noble gas, so is least reactive when it comes to reactivity.
Thus, the correct options are A and C respectively.
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Your question seems incomplete, the missing options are:
For question 1:
helium oxygen fluorine nitrogenFor question 2:
A: FlorineB: ChlorineC: SodiumD: Gold