What are noble gases?
Answer:
any of these helium, neon, argon, krypton, xenon, radon, oganesson
Explanation:
Answer:
Noble gases are the group VIII elements that are unreactive due to their greatest stability.
Explanation:
• They are stable because their atoms have their outermost energy level completely filled by electrons.
Examples:
→ Neon (Ne)
→ Ktypton (Kr)
→ Xenon (Xe)
→ Helium (He)
→ Argon (Ar)
→ Radon
→ Oganesson
Note sure of formular for Radon and Oganesson
\(.\)
The diagram below shows the skeletal forearms of different species. Although the functions are different what evidence of evolution is depicted?
Answer:
Due to the presence of different structure of forearms.
Explanation:
The evidence of evolution is depicted in the diagram due to the presence of different forearms of different organisms. The ancestor of all organisms are the same, but due to change in the environment changes occurs in the body structure of organism especially in the skeletal structure. This change in the structure requires millions of year to occur so that's why different organisms have different skeletal forearms.
CAN SOMEONE TELL ME please
Answer:
The answer is
A. tumor
Explanation:
Hope I get brainliest
Answer:
TUMOR
Explanation:
a swelling /tumor
I think
I need help please um just look at the pictures so yea
Answer:
They release C02, which contributes to climate change.
They can cause health issues.
Explanation:
The other two are positive aspects, and these two are true.
Question:
Using a specific example, discuss the importance of electrons in the transfer of energy in living systems.
Answer: The transfer of energy in the form of electrons allows the cell to transfer and use energy in an incremental fashion. The principle electron carriers are NAD+ and NADH because they can be easily oxidized and reduced, respectively.
Explanation:
Electrons are very significant in the steps of energy transfer in the living body cells.
When the electrons are displaced from the molecule it gets oxidized which results in a reduction in the potential energy.
Electrons transfer is very important because most of the power is stored in the atoms in the form of electrons that are required for cell functioning.The chief electron transporters are NADH and NAD⁺ they reduce and oxidizes the compounds.NAD⁺ is oxidized and NADH is the reduced form of the molecules.The living structures cannot save a large amount of energy and hence they collect them in the form of ATP and electrons.To learn more about the importance of electrons in living organisms follow the link:
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2. What may happen to an alcoholic if he or she suddenly stops drinking?
1.addiction to other drugs
2.health is restored
3.intoxication
4.withdrawal symptoms
Answer:
4
Explanation:
Withdrawal is different for everyone; there really is no "normal" and it can be hard to predict an individual person's experience. Some symptoms—like changes in sleep patterns, fatigue, and mood swings—can last for weeks or months. You'll likely begin to feel better around five days to a week after you stop drinking
5. The ____
controls the rate of breathing.
Answer: respiratory control centers
Explanation: respiratory control centers: The medulla which sends signals to the muscles involved in breathing, and the pons which controls the rate of breathing.The medulla oblongata is the primary respiratory control center. Its main function is to send signals to the muscles that control respiration to cause breathing to occur.
Answer:
medulla oblongata
Explanation:
its a part of the raspatory response in your brain
i hope this helps :3
A gold bar has a volume of 4.7cm cubed and a density of 19.3g/cm cubed. What is the mass?
Answer:
90.71g
Explanation:
multiply 4.7 time 19.3 to get 90.71grams
E1 Biol 2281 usage of internet to analyze nuclei acid
Are these right?
We can see here that going through the answers provided in the image, we can deduce that they are correct though it will be proper to cross-check before submitting.
What is nuclei acid?Nucleic acids are biomolecules that play a crucial role in storing, transmitting, and expressing genetic information in living organisms. They are essential for the functioning and inheritance of genetic traits.
Both DNA and RNA are polymers made up of repeating units called nucleotides. Each nucleotide consists of three components: a sugar molecule (deoxyribose in DNA and ribose in RNA), a phosphate group, and a nitrogenous base.
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Need this asp
Nucleotides contain sugar, a phosphate group, and a nitrogen base. Which of the following is a nitrogen base? (1 point)
A. ribose
B. tyrosine
C. deoxyribose
D. guanine
Answer:
D
Explanation:
Guanine is a nitrogen base
Part A
When the following liquids are poured into the same container, they separate as shown in the image. Based on the data
in the table below, what caused the order of the layers?
rubbing alcohol
vegetable oil
water
corn syrup
Liquid
corn syrup
Volume Used
95 cm
90 cm
water
Mass
130.158
90.00 g
77.358
81.90 g
Density
1.37 g/cm
1 g/cm
0.91 g/cm
0.78 g/cm
85 cm
vegetable oil
rubbing alcohol
105 cm
The layers are formed due to difference of density of solutions.
The main cause of the order of the layers is the difference of weight and density of different liquids in the container. The liquids that has more weight means higher density will sink below the liquids that has less weight means lower density so due to difference in their density corn syrup is located at the bottom due to higher density and rubbing alcohol is present at the top of the container due to lower density.
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What caused the order of the layers can be attributed to the densities of the liquids.
The density of a substance is an indication of how heavy the substance is in relation to its volume. Mathematically, it is given as mass/volume.Hence, a liquid with a higher density will always be at the bottom of a liquid with a lower density provided that both of them are of the same volume.In order words, immiscible liquids poured together in the same container will separate out according to their densities - starting with the highest density liquid occupying the bottom with the lowest density liquid staying topmost.
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In rabbits, black fur is dominant to white fur. As a rabbit breeder, you crossed a BB male with a Bb female, please complete the Punnett square for the possible genotypes of the offspring. Then complete, the percent chance for the phenotypes of the offspring. Fill in all blanks ( _________ ) 1-10.
..............................................................................
________ ________ .
offspring 1 offspring 2 .
_______ ________ ________ .
offspring 3 offspring 4 .
_______ ________ ________ .
..............................................................................
% Black ___
% White ___
Answer:Offspring one- BB
Offspring 2 -BB
Offspring 3 -Bb
Offspring 4 - Bb
Black % - 100%
White % - 0%
Explanation:
B is dominant over white, And when you draw out the punnett square it all start with a dominant trait.
The possible genotypes for the progeny will be BB, and Bb. and the percentage of black fur will be 100% and for white will be 0%.
What is a Punnett square?The Punnett square is a square diagram often used predict genetic traits of a specific cross or breeding experiment.
It is named after Reginald C. Punnett, who invented it in 1905. Biologists use the diagram to calculate the likelihood of an offspring having a specific genotype.
The Punnett square is a chart that enumerates all of the potential scenarios of a genetic cross between two people with known genotypes.
The Punnett square, in its most basic form, is a square divided into four quadrants.
A Punnett Square is a useful tool for predicting the variations and probabilities that can result from cross breeding. This includes predicting the intercrossing of plants, animals, and even humans.
For the given scenario, the genotype of the offspring will be BB and Bb as per the attached Punnett Square.
Thus, the possibility of the black fur rabbits will be 100% and for white ones it will be 0%.
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Which of the following conditions would lead to a small population size?
a. a low birth to death ratio
b. a high birth to death ratio
c. immigration
d. large number of resources
Please select the best answer from the choices provided
OA
OB
CD
OD
Answer:
A. A low birth to death ratio
Explanation:
If more people are dying than being born the population will be small
What must be true for natural selection to happen?
OA. There can be no competition for resources.
B. The population must be below carrying capacity.
C. All organisms must have the same alleles.
D. The system must not be in Hardy-Weinberg equilibrium.
SUE
Answer:
D
Explanation:
Because there has to be competition or one population wouldnt decrease and the other wouldn't increase due to survival and reproduction the population doesn't always have to be below the carrying capacity because it can also do it when its above and natural selection can act on traits determined by different alleles.
Choose one the correct types of weathering and type it in the box exactly as it is written!
abrasion
oxidation
animal
water
wind
acid rain
plant root
ice wedging
exfoliation
*ill mark brainliest!!<3*
Answer:
1st picture: water
2nd picture: wind
3rd picture: ice wedging
4th picture: exfoliation
5th picture: oxidation
6th picture: plant root
7th picture: animal
8th picture: acid rain
9th picture: abrasion
Explanation:
Hope this helps
Answers:
Image 1- Abrasion or Water (I'm not sure, could be either in this case, but probably Water)
Image 2- Wind
Image 3- Ice Wedging
Image 4- Exfoliation
Image 5- Abrasion (Pretty sure)
Image 6- Plant root
Image 7- Animal
Image 8- Oxidation
Image 9- Acid Rain
I'm counting images from left to right, top to bottom, so for example the rock arch image in the top left is image 1, and the Statue of Liberty is image 8. Hope this helps and have a great day!
Select 3 that apply.
Why is nitrogen important to all living things?
1:It is a part of amino acids,which help build proteins.
2:It provides the body with the right amount of salt(sodium) levels.
3:It is a part of nucleic acids, which help build DNA.
4:It helps in the purification of water.
5:It is involved in the majority of the energy processes that occur in the cells of organisms.
Answer:
The right answer is number 2.
100 POINTS
Assume that r max is 1.0 and the carrying capacity is 2,000. calculate the population growth rate when n= 2,100 and when n = 2.500 individuals.
Answer:
Given:rmax = 1.0carrying capacity = k = 2000N = 2100N = 2500dN/dt =popu
Explanation:
The population growth rate when n = 2100 and when n = 2500 individuals is - 0.25 and for n = 2100 individuals , it is - 0.05 .
What is population growth rate ?Population growth rate is the rate at which a population increases in size over a specific period of time, usually expressed as a percentage.
It is calculated by subtracting the number of deaths and emigrations from the number of births and immigrations, and then dividing this figure by the total population at the start of the period.
The logistic growth model can be used to calculate the population growth rate at a given population size (n) using the following equation:
r = r_max * ((K - n) / K)
where:
r = population growth rate
r_max = maximum per capita growth rate
K = carrying capacity
n = population size
Given r_max = 1.0 and K = 2,000, we can calculate the population growth rate for n = 2,100 and n = 2,500 as follows:
For n = 2,100:
r = 1.0 * ((2,000 - 2,100) / 2,000)
r = 1.0 * (-0.05)
r = -0.05
Therefore, when the population size is 2,100 individuals, the population growth rate is -0.05, indicating that the population is decreasing in size.
For n = 2,500:
r = 1.0 * ((2,000 - 2,500) / 2,000)
r = 1.0 * (-0.25)
r = -0.25
Therefore, when the population size is 2,500 individuals, the population growth rate is -0.25, indicating that the population is decreasing at a faster rate than when the population size was 2,100 individuals.
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Improved access to meat and dairy products is especially important in countries where malnutrition is an issue because they provide more:
Question 33 options:
potent sources of dietary fiber.
refined carbohydrates.
vitamins and minerals.
concentrated sources of protein.
Option D In nations where hunger is a problem, increased availability to meat and dairy products is crucial since they contain more nutrients Because vitamins and minerals in malnutrition.
Milk and dairy products might be crucial for a varied diet. When ingested in the right quantities, they are nutrient dense and offer high quality protein and micronutrients in an easily absorbed form that can help both healthy individuals and those who are nutritionally fragile.
Calcium, protein, vitamin D, potassium, and phosphorus are among the minerals abundant in dairy products that are crucial for maintaining healthy bones . Appropriate calcium consumption affects the retention of skeletal calcium during growth and, consequently, the peak bone mass attained in early adulthood.
Inadequate or excessive nutritional intake, an imbalanced intake of essential nutrients, or inefficient nutrient utilisation are characteristics of malnutrition. Undernutrition as well as overweight and obesity are two consequences of malnutrition.
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Which of the following describes the last step in the life of a Large Star? *
A. small star is formed in the center of the shrinking cloud. The star begins to do fusion.
B. Once the Large star expands into a Super Red Giant, it explodes.
C. black hole forms with so much gravity that not even light can escape it.
D. Cloud of gas and dust that starts to shrink because of Gravity.
Answer:
A. small star is formed in the center of the shrinking cloud. The star begins to do fusion
Explanation:
The seed formed inside the ovary of the flower. As the seed develops in the flower, water is withdrawn from it so that it becomes almost dry. suggest why is it important?
Water withdrawal from the developing seed inside the flower is important to induce dormancy, enhance longevity, protect against pathogens, facilitate dispersal, and trigger germination under favorable conditions.
Water withdrawal from the seed during its development inside the ovary is crucial for seed dormancy, longevity, protection, dispersal, and germination. Dormancy enables seeds to survive unfavorable conditions. The dry state reduces metabolic activity, enhancing seed longevity. Withdrawing water creates an inhospitable environment for pathogens, safeguarding the seed. Dry seeds are lighter and more easily dispersed by wind, animals, or water, aiding in the colonization of new habitats. Rehydration of the seed after dispersal triggers germination, initiating growth.Overall, water withdrawal from the seed inside the ovary serves as a survival strategy, allowing seeds to endure harsh conditions, remain viable for extended periods, avoid microbial damage, disperse effectively, and germinate when conditions are favorable.
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GIVING BRAINLY!!
In which kingdom are rose bushes classified?
A. Fungi
B. Plantae
C. Bacteria
O D. Protista
Answer:
plantae............✨✨✨
Answer: the answer is B
Explanation: trust me took the test yesterday
list 3 thing that you dont like
Which of the following is a negative consequence associated monoculture?
A) Decreased yield
B) Increased crop species
C) Ecosystem stability
D) Reduced biodiversity
Answer:
Reduced biodiversity
Explanation:
took the test
Question
Write It!
Yousef and Allie want to know the effect of different colors of
artificial light on the growth of plants. They decide to test the
artificial light colors white, blue, yellow, and red, with one plant
being placed in natural light as a control group.
They created the hypothesis, "If plant growth is affected by the
color of light, then white light will produce the tallest plant."
Create a realistic plan, which includes the materials listed, to
test this hypothesis.
In your plan. you must: - Determine the test variable and the outcome variable - Identify at least four controls in the experiment and give a possible example for each - Create a realistic way to test the hypothesis - Indicate a way to record data - Create a realistic conclusion based on your test - Determine your next steps in your conclusion
Answer:
color of light, then white light will produce the tallest plant."Explanation:Identify at least four controls in the experiment and give a possible example for each - Create a realistic way to test the hypothesis - Indicate a way to record data - Create a realistic conclusion based on your testall of the statements below are true. select the statement that best supports the view of most biologists that viruses are nonliving.
A virus that is isolated cannot produce ATP or replicate its genes.
A virus is what?
A virus in medicine is a very basic microbe that can infect cells and lead to disease. Viruses are not regarded as living organisms because they can only reproduce inside of infected cells.
Viruses are not composed of cells, they cannot maintain a constant condition, they cannot develop, and they cannot produce their own energy. Although they proliferate and adjust to their surroundings, viruses behave more like machines than actual biological things. They cannot expand or grow on their own. As a result, they are non-living. When a virus does, however, infiltrate a living cell of an organism, it draws energy from the host cell and begins to replicate.
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3.2
Describe the tendency of population movement in South Africa over
the same 50-year period.
3.1.3 What influence does this population shift have on agriculture?
Overall, the population shift in South Africa has had a negative impact on agriculture, leading to a decline in the sector and decreased food security for rural communities.
What is population?Population refers to the total number of individuals of a particular species or group living in a specific area or region. In the context of human populations, it refers to the number of people living in a particular geographic area or country. Population can also refer to subgroups within a larger population, such as age groups, ethnic or racial groups, or socioeconomic groups. Population can be measured and analyzed in various ways, including through demographic data such as birth and death rates, migration patterns, and population density.
Here,
Over the past 50 years, there has been a significant population shift in South Africa, with many people moving from rural areas to urban areas in search of better economic opportunities, education, and healthcare. This trend is known as urbanization and is a common phenomenon in many developing countries.
As people move from rural areas to urban areas, the population density in urban areas increases, while rural areas become less populated. This population shift has had a significant impact on agriculture in South Africa. As more people move to cities, there is less demand for agricultural products, leading to a decline in the agricultural sector. This has resulted in the loss of agricultural land, reduced productivity, and decreased food security for rural communities.
In addition, the population shift has also led to changes in land use. As urban areas expand, they often encroach on agricultural land, leading to land fragmentation and reduced agricultural productivity. This can also lead to conflicts between urban and rural communities over land use and resource allocation.
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A rock cycle model is shown.
(In image)
What type of rock is formed from cooling and hardening process?
A. Sedimentary rock
B. Igneous rock
C. Metamorphic rock
D. Magma rock
Answer:
b) Igneous rock
Explanation:
Igneous rock is formed from cooling and hardening process. As given in the diagram the magma undergoes cooling and hardening process to become an Igneous rock. Hence, the option (b) is correct.
Answer:
What type of rock is formed from cooling and hardening process?
A. Sedimentary rock
B. Igneous RockC. Metamorphic rock
D. Magma rock
HELP!!!!!
I WILL MARK YOU AS THE BRAINLIEST ANSWER!!!
Annotate the symbol by the reference image. Then, explain why this symbol represents an ion and how many electrons it has.
• the name of the element
• the charge
• the mass number
• the atomic number
Answer:
since the symbol has a "+1" sign at the top right corner it represents a positively charged ion.
it has 4 electrons as it has "+1" symbol meaning it lost one electron out of initially 5 electrons present.
name of element = Boronthe charge = +1the mass number = 11the atomic number = 5Answer: ion has a 2+ charge then it must have lost electrons to form the cation. If the ion has 18 electrons and the atom lost 2 to form the ion, then the neutral atom contained 20 electrons. Since it was neutral, it must also have had 20 protons. Therefore the element is calcium.
]
Check all that are true of the following scenario.
An archer strings an arrow on a bow and draws the string back. Aiming the bow
upwards at a 45 degree angle, the archer pauses with arms locked into position and
then releases the string. The arrow flies upwards making an arc and then sticks into
the trunk of a tree with an audible thud.
At least four different types of energy are illustrated in this example.
The first energy transformation in the scenario is chemical energy to kinetic.
From the time the archer draws the bow until the thud us heard, entropy increases in
the universe.
The energy of the arrow at the end of the scenario is equal to the energy exerted by the
muscles of the archer.
When the arrow sticks into the tree the original energy has all been used up.
Statements 1 and 3 are true, while statements 2 and 4 are false.The first energy transformation in the scenario is chemical energy to kinetic. - True.
The archer converts chemical energy stored in their muscles into kinetic energy when they release the string and propel the arrow forward.From the time the archer draws the bow until the thud is heard, entropy increases in the universe. - False. Entropy is a measure of disorder or randomness in a system. In this scenario, the archer's actions do not necessarily lead to an increase in entropy.
The energy of the arrow at the end of the scenario is equal to the energy exerted by the muscles of the archer. - False. Energy is conserved in a closed system, but some energy is lost as heat and sound during the process. Therefore, the energy of the arrow at the end may be less than the energy exerted by the archer's muscles.
When the arrow sticks into the tree, the original energy has all been used up. - False. Energy is not created or destroyed but rather transformed from one form to another. Some of the initial energy from the archer's muscles is transferred to the arrow's kinetic energy, but it is not entirely used up.In summary, statements 1 and 3 are true, while statements 2 and 4 are false.
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Climate mitigation can be pursued using the _____ approach.
Please choose the correct answer from the following choices, and then select the submit answer button.
Answer choices
precautionary
conservation
adaptation
wedge
Answer:
the answer is adaptation