Answer:
D. guarantees that the plants will intake all the fertilizers
Explanation:
When a farmer repeatedly grows the same crop in the same plot of land year after year the the soil will loose fertility becoming weak loosing the nutrients it needs forcing farmers to use chemical fertilizers.
(I hope this helps answer your question! Have a great day everyone!)
:)
Answer:
The answer is really C) raises the risk of increasing the number of pests in that area.
Explanation:
During pregnancy under what condition is Rh factor incompatibility a problem
Answer:
what type of qustion is this
Explanation:
A car starts from rest and gains a velocity of 20 m/s in 10 s. Calculate acceleration and average velocity.
The acceleration of the car is 2 m/s².
The average velocity of the car is 2 m/s.
How to calculate acceleration ?The equation acceleration = (final velocity - beginning velocity) / time can be used.
Given:
Initial velocity (u) = 0 m/s (since the car starts from rest)
Final velocity (v) = 20 m/s
Time (t) = 10 s
Using the formula, we can substitute the values:
acceleration = (20 m/s - 0 m/s) / 10 s
acceleration = 20 m/s / 10 s
acceleration = 2 m/s²
Therefore, the acceleration of the car is 2 m/s².
You can use the following equation to determine the average velocity: average velocity = total displacement / total time.
The initial position and the final position are identical since the automobile begins at rest. As a result, the displacement and the ultimate position are equal.
Given:
Displacement = 20 m
Time (t) = 10 s
Using the formula, we can substitute the values:
average velocity = 20 m / 10 s
average velocity = 2 m/s
Therefore, the average velocity of the car is 2 m/s.
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Select the three macronutrients found in fertilizers.
1.phosphorus
2.hydrogen
3.nitrogen
4.zinc
5.potassium
6.carbon
Answer: The correct choices are:
1. phosphorus
3. nitrogen
5. potassium
Explanation: These choices have been confirmed correct.
25 percent white and 75 percent purple
50 percent white and 50 percent purple
100 percent purple
100 percent white
Answer:
no
Explanation:
no any percentage matches with the provided ones
Answer:
None of the answers are right because they have to be below 75 to at least get to what she wants.
Explanation:
two of them have 100 and they have to be below 75.
In what way are the reproduction performances of ewes of different ages compared?
Answer:
synchronized
Explanation:
Hope this helps :)
what did he call the single-cell organisms he observed moving through his microscope
Answer:
What van Leeuwenhoek saw with these microscopes was bacteria and protozoa, but he called these tiny creatures “animalcules.” Van Leeuwenhoek became fascinated. He went on to be the first to observe and describe spermatozoa in 1677.
Explanation:
5.
a. Rearrange the following terms so that they reflect the proper order of a spinal reflex: pain receptor, effector muscle, motor neuron, sensory neuron, spinal cord.
Pain receptor, sensory neuron, Spinal cord, motor neuron & effector muscle.
b. Which of the above terms would be different if the reflex in question were a balance reflex?
What term would you substitute?
Which of the following is "not" likely to cause a magnet to lose
its magnetism?
a. Striking it with a hammer.
b. Cooling it.
c. Dropping it repeatedly on the ground.
d. Heating it.
The magnetic field of a magnet is strongest
a. at its north pole.
b. at its south pole.
c. in the middle.
d. at both of its poles.
The answers include the following:
The following which is "not" likely to cause a magnet to lose its magnetism is cooling it and is therefore denoted as option B.The magnetic field of a magnet is strongest at at both of its poles and is denoted as option D.What is a Magnet?This is referred to as a material or object that produces a magnetic field and it has two poles which are the North and south poles in which the magnetic field of a magnet is strongest.
Cooling a magnet will not cause a magnet to lose its magnetism but instead the magnetism will increase because the molecules within the magnet will move slower because they have less kinetic energy so there is less vibration within the magnet's molecules thereby resulting in more concentrated magnetic field that strengthens the magnet.
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Question 23 (2 points)
(06.05 MC)
A red blood cell is in the umbilical vein of a fetus. Where will it flow next, in the proper order? (2 points)
Od
Ductus venosus; right atrium; vena cava
Ductus venosus; vena cava; right atrium
Ductus arteriosus; right ventricle; aorta
Ductus arteriosus; aorta; right ventricle
A red blood cell in the umbilical vein of a fetus will flow next in the proper order as follows: Ductus venosus; vena cava; right atrium.The ductus venosus is a blood vessel that connects the umbilical vein to the inferior vena cava.
It allows oxygenated blood from the placenta to bypass the liver and enter the systemic circulation of the fetus. The red blood cell will pass through the ductus venosus, which acts as a shunt, directing the oxygenated blood towards the vena cava.
From the vena cava, the blood will enter the right atrium, which is one of the four chambers of the fetal heart. The right atrium receives deoxygenated blood from the body and the oxygenated blood from the umbilical vein.Finally, the blood will leave the right atrium and continue its circulation through the fetal heart, where it will be pumped to the lungs for oxygenation.
However, since the lungs are not fully functional in the womb, the blood is redirected through the foramen ovale and ductus arteriosus to bypass the pulmonary circulation.In summary, the correct order of flow for the red blood cell in the umbilical vein of a fetus is: Ductus venosus; vena cava; right atrium.
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Cellular Respiration Answer key worksheet
The Cellular Respiration worksheet is given in the image attached.
What is Cellular Respiration?Cellular respiration is seen as a metabolic process that occurs in cells, where organic molecules are broken down to release energy in the form of ATP (adenosine triphosphate).
This process involves three main stages: glycolysis, the Krebs cycle, and oxidative phosphorylation. During glycolysis, glucose is broken down into pyruvate, which then enters the Krebs cycle, where it is further broken down to release energy-rich electrons.
Therefore, These electrons are then passed down a series of electron transport chains to produce ATP through oxidative phosphorylation. Cellular respiration is a vital process for all living organisms, as it provides the energy needed for various cellular processes and activities.
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Which of the following helps protect biofilms from issues such as drying out and predators
a.) Extracellular polymeric substances
b.) Quorum sensing
c.) Becoming sessile
d.) Autoinducers
Extracellular polymeric substances help protect biofilms from issues such as drying out and predators. Option A
Biofilms are complex communities of microorganisms that adhere to surfaces and form a protective matrix. They can be found in various natural and artificial environments, such as riverbeds, medical devices, and plumbing systems. Biofilms provide advantages to the microorganisms within them, including protection from environmental stresses and predators.
One of the key components that helps protect biofilms is extracellular polymeric substances (EPS). EPS are complex mixtures of polysaccharides, proteins, and DNA that are secreted by microorganisms within the biofilm. These substances form a matrix that encases the cells, providing structural support and protecting the community.
EPS help biofilms resist drying out by retaining water and preventing desiccation. The polysaccharides in EPS can absorb and retain moisture, creating a hydrated environment within the biofilm even in dry conditions. This is crucial for the survival of the microorganisms within the biofilm.
Additionally, EPS serve as a barrier against predators. The matrix formed by EPS can make it difficult for predators, such as protozoa or grazing organisms, to access and consume the microorganisms within the biofilm. It acts as a physical defense mechanism, limiting the exposure of the microorganisms to predation.
While quorum sensing, becoming sessile (immobile), and autoinducers are all important mechanisms and processes associated with biofilms, they do not directly address the protection of biofilms from drying out and predators. So Option A is correct.
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A monohybrid cross is performed for two individuals who are heterozygous for the trait, what are the chances the offspring will express a recessive phenotype? 0% 25% 50% Å O 75% O 100%
Answer: Believe you can and you're halfway there
Have a great day
Pay attention to capitalization and
1. is/ the environment. / Growing/essential/trees/ for
2. costs. /Smart/ electricity/reduce / buildings
3. from / do not eat / Vegetarians / any food / that comes / animals.
These are the statements with correct capitalization and punctuation:
Growing trees is essential for the environment.Smart buildings reduce electricity costs.Vegetarians do not eat any food that comes from animals.Why is the environment important?Growing trees is essential for the environment. Trees provide many benefits to the environment, including: Reducing air pollution, Providing shade, Improving air quality, Providing habitat for wildlife, Storing water, Reducing noise pollution.
Smart buildings reduce electricity costs. Smart buildings are designed to use energy efficiently, which can help to reduce electricity costs. Some of the ways that smart buildings can reduce energy use include: Using motion sensors to turn off lights when no one is in a room, Using automatic blinds to control the amount of sunlight that enters a room and Using energy-efficient appliances and lighting.
Vegetarians do not eat any food that comes from animals. This includes meat, poultry, fish, and seafood. Vegetarians may choose to eat a vegetarian diet for a variety of reasons, including: To improve their health, To reduce their environmental impact, To be more compassionate towards animals.
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Complete question:
Pay attention to capitalization and punctuation
1. is/ the environment. / Growing/essential/trees/ for
2. costs. /Smart/ electricity/reduce / buildings
3. from / do not eat / Vegetarians / any food / that comes / animals.
A mother and father are both carriers of a recessive allele that causes a genetic disorder, but neither of the parents has the disorder.
Which is a correct Punnett square for this scenario, and what is the probability for that one of their children will also be a carrier for the disorder?
A
100% probability to be a carrier
B
50% probability to be a carrier
C
75% probability to be a carrier
D
50% probability to be a carrier
The probability for that one of their children will also be a carrier for the disorder is 50% probability to be a carrier. Option B is correct.
Correct Punnett square for this scenario is:
| | A | a |
---|---|---|---|
| A | AA| Aa|
| a | Aa| aa|
In this Punnett square, both parents are heterozygous carriers, which means they both have one copy of the normal allele (A) and one copy of the disease-causing allele (a). The probability of each child inheriting a copy of the disease-causing allele is 50%, and the probability of each child inheriting a copy of the normal allele is also 50%.
Therefore, the probability of one of their children being a carrier for the disorder is 50%. This means that the child will have one copy of the normal allele and one copy of the disease-causing allele, like the parents. However, the child will not have the disorder because they need two copies of the disease-causing allele (one from each parent) to express the disorder.
It is also important to note that this is a simplified model and that many genetic disorders are more complex than a simple dominant or recessive pattern of inheritance. Additionally, genetic testing and counseling may be necessary for couples who are carriers of genetic disorders to understand the risks of passing on the disorder to their children. Hence Option B is correct.
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Quagga mussels, an invasive species of mollusk originally from
Russia, have been introduced to the lake after being carried in on
the hulls of boats. An assessment of the size of the quagga
mussel problem is needed, along with suggestions to curb their
population growth.
what field of science is this?
This is a problem in the field of ecology.
The problem of quagga mussels in the lake is an ecological issue that requires scientific assessment and management.
It falls under the discipline of ecology, which studies the relationships between organisms and their environment.
Ecologists investigate the impacts of invasive species on the ecosystem and devise strategies to control their spread and minimize their effects.
In this case, scientists will need to examine the size of the quagga mussel population, their distribution, and their ecological interactions with native species.
They will also need to recommend measures to prevent further introduction of quagga mussels and to manage their population growth, such as using chemical treatments or biological controls.
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A postsynaptic neuron has an RMP of -70mV and a typical threshold of -55mV. It has three presynaptic inputs-from neurons X, Y, and Z. Stimulation of
neuron X causes the postsynaptic neuron to depolarize by 0.5 mV. When X and Y are stimulated simultaneously, the postsynaptic neuron depolarizes by
1 mV, If X fires 10 times and Y fires 10 times the result will be …
Multiple Choice
a subthreshold summation.
presynaptic inhibition.
threshold is reached and an AP is fired.
many APs are fired.
the membrane depolarizes.
When X fires 10 times and Y fires 10 times, the result will be a subthreshold summation.
Subthreshold summation happens when two or more presynaptic inputs that are sub-threshold (i.e., they cannot create an action potential) combine their effects on the postsynaptic neuron.
Here, the postsynaptic neuron has an RMP of -70mV and a typical threshold of -55mV. When neuron X is stimulated, it depolarizes by 0.5 mV.
When X and Y are stimulated simultaneously, the postsynaptic neuron depolarizes by 1 mV, which is sub-threshold (below -55mV).
Therefore, when X fires 10 times and Y fires 10 times, the postsynaptic neuron will experience subthreshold summation and no action potential will be fired.
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1. Describe the similarities and differences between the cheek cell wet mount and dental plaque wet mount.
Answer:
Cells from the cheek are a type of epithelial cell, similar to skin. ... They can be seen faintly even at 40x (scanning power), but the most dramatic images are at 400x where the nucleus is clearly visible as a dark spot in the center of the cell.
Explanation:
The similarity between cheek cells and dental plaque wet mount is both are living cells.
The difference between cheek cells and dental plaque wet mount is cheek cells are:
Cheek cells are similar to our skin cells and can be extracted easily, whereas the extraction of dental plaque can be hard.
Cheek cells are eukaryotic cells, whereas dental plaque is the microorganism cells.
What is a cheek cell?Cheek cells are cells that can be extracted easily with a cotton swab from inside the mouth.
What is dental plaque?Dental plaque is the deposition of bacteria or viruses in the bottom of the teeth.
Thus, The similarity is both are living cells.
The difference is both are different types of cells, one can be extracted easily dental plaque extraction is hard.
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Please select the word from the list that best fits the definition
Principle that involves an attempt to understand the meanings individuals attach to their actions.
Verstehen is the principle which involves the attempt for the understanding of the meanings individuals attach to their actions.
Principle that involves an attempt to understand the meanings individuals attach to their actions.?This idea is based on the German philosophical notion of Verstehen, which also serves as the foundation of sociology as a field of study of people and their behaviour.
The word itself exhibits the quality of deeply understanding something, which makes the method appropriate for sociologists and turns it into a means of learning about people and the acts that they take.
Weber suggested doing this, when one tries to put themselves in other people's shoes and see things from their perspective. The concept and practise of verstehen is today recognised as being essential to rejecting positivist social science (although Weber appeared to think that the two could be united). Understanding the purpose of an action is referred to as verstehen.
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The idea of comprehending the meanings people give to their acts is known as verstehen.
What is verstehen principle?A philosophy that makes an effort to comprehend the meanings people give to their activities.
This approach is based on the idea of Verstehen from German philosophy, which also serves as the basis for sociology as a discipline that studies people and their behavior.
The approach is excellent for sociologists because the word itself conveys the quality of deeply comprehending something, which transforms it into a way of learning about people and the actions they take.
When one tries to put themselves in other people's shoes and see things from their perspective, Weber advised doing this. Today, the idea of comprehension and its application are recognized as
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What happens when the atmosphere interacts with the biosphere?
Winds are produced.
Groundwater supplies are replenished.
Carbon dioxide is cycled during plant respiration.
Volcano eruptions influence the cycling of nitrogen.
Answer:
Carbon dioxide is cycled during plant respiration.
Explanation:
When the atmosphere interacts with the biosphere, carbon dioxide is cycled during plant respiration.
The atmosphere is the gaseous envelope around the earth.
The biosphere is the zone of all life on the earth.
Among all the spheres that make up the earth system, there are interactions. Between the biosphere and atmosphere, plant respiration is one clear cut example. Plants use gases from the atmosphere for some of their living functions. They take in the gas and release the unwanted one back into the atmosphere. This interaction is a simple biosphere - atmosphere one.Answer:c
Explanation:
How does artificial selection differ from natural selection? Select all that apply.
A. During artificial selection, the mating pairs are selected by humans, not the organisms.
B. The outcomes of artificial selection are predictable.
C. Artificial selection requires variety in a population.
D. Artificial selection does not help a population adapt to its environment.
Answer: A
Explanation:
Artificial selection is the process by which humans choose individual organisms with certain phenotypic trait values for breeding.
How does blood flow
from a person's leg
back to the person's
heart?
Blood flows back to
the heart_
______.
Answer:
Vains because that's how blood flow?
Explanation:
Answer:
Deoxygenated
Explanation:
Realizează un text de maximum 10 rânduri , intitulat”Celula , unitatea de bază a tuturor organismelor”. Pentru aceasta: enumeră componentele celulare, precizează organitele comune celulei animale și vegetale.
Answer:
The answer is
Explanation:
Sussyjjjjjjjjjjjjjjjjjjj
Match the correct ones together
Hello-
The Biosphere option would match with the answer concerning plants (the bottom right box) since the biosphere concerns living things.
The Hydrosphere option would match with the answer concerning rain (the middle right box). Hydro = water.
The Lithosphere option, then, would go with the last remaining answer, concerning volcanoes (the top right box).
I hope this answers your question.
An organism that uses gynogenesis:
produces fertilized eggs, but keeps them in the female until they hatch.
lays fertilized eggs.
does not produce fertilized eggs, but supplies nutrition to growing embryo in the female.
produces diploid eggs without fertilization.
produces diploid eggs in response to presence of, but not fertilization by, sperm.
An organism that uses gynogenesis is one that D. produces diploid eggs without fertilization.
Gynogenesis is a reproductive strategy in which the female organism's eggs are activated by the presence of sperm, but fertilization does not occur. Instead, the sperm triggers the development of the eggs, but the resulting embryos are clones of the mother. The genetic material of the offspring is derived solely from the female parent.
The key distinction between gynogenesis and other reproductive strategies is that gynogenetic organisms do not require fertilization to initiate embryo development. However, some gynogenetic species still need the presence of sperm to stimulate the activation of the eggs. This phenomenon is known as sperm-dependent parthenogenesis.
By using gynogenesis, organisms can reproduce without the need for a male's genetic contribution. This reproductive strategy allows for rapid population growth and the maintenance of favorable genetic traits within a population. However, it also means that the genetic diversity of offspring is limited since they are genetically identical to the mother. This lack of genetic diversity can be both advantageous and disadvantageous depending on the environmental conditions and selective pressures the organisms face. Therefore, Option D is correct.
The question was incomplete. find the full content below:
An organism that uses gynogenesis:
A. produces fertilized eggs, but keeps them in the female until they hatch.
B. lays fertilized eggs.
C. does not produce fertilized eggs, but supplies nutrition to growing embryo in the female.
D. produces diploid eggs without fertilization.
E. produces diploid eggs in response to presence of, but not fertilization by, sperm.
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What ecological process would be responsible for
transforming this landscape?
Answer:
Secondary succession because it’s second
Explanation:
I hope this helps!
2. Inferring Why is it important to have more than one dating technique available?
Answer:
well, I'm no college student but using common sense you need more than one so when one fails the other can come in and hopefully succeed.
Explanation:
For which object would a geologist use carbon-14 dating to determine age?
O Animal bones
O Fossilized plants
O Sedimentary rocks
O Volcanic rock
Answer:
O Animal bones
Explanation:
In the upper atmosphere, Radioactive Carbon-14 is usually produced. In plants, it is incorporated by photosynthesis into organic molecules, later ingested by hetrotrophs.
It is used for the radiocarbon dating process of fossils and formations. Because of the unstable nature of the isotope used and the consistent rate of decay, radioactive isotope dating is an important way of detection in organic material. Here, this is a the measure of the time taken for half of the radioactive material to break down- this is called the half life for Carbon this is 5,730 years.
In animals, the Carbon-14 ingested is eventually incoporated into their bones. After they die, bones become dessicated, and the Carbon 14 is slowly broken down to become Nitrogen.
Answer:
a animal bones
Explanation:got it rite on edg
2020
In a particular plant, the allele for producing green pods is dominant and the allele for producing yellow pods is recessive. A plant that is heterozygous for pod color is crossed with a plant that is recessive for podcolor. Which of the following is the most likely outcome of this cross?F.100 green podsG.75 green pods; 25% Yellow pods.H.50 green pods; 50% yellow podsJ.25 green pode 75 yellow pods
In this case, we have two alleles, green (G) and yellow (g).
The first parent plant is Gg and the second is gg.
If we make a Punnett square it would be as follows:
This would mean that half of the offspring would be Gg, with green pods, and the other half would be gg, with yellow pods
How can friction be lessened?
A). Add less force
B). Add more force
C). increase the speed
D). add wheels
A person lives on the Tropic of Capricorn. What is the altitude of Polaris?
O 23 1/2"
O 90°
O 66° 33"
O 15°
O 30°
O 45°
The correct answer as to what the altitude of Polaris would be for a person that lives on the Tropic of Capricon is 23° 1/2".
Polaris is a star and the altitude of any star is its height above the horizonThe Polaris is otherwise known as the North star as an indication that it is directly located overhead the north pole. Thus, it may not be visible once one moves South of the equator. The tropic of Capricon is located approximately 23° 1/2" South of the equator. In other words, the latitude of the Tropic of cancer is approximately 23° 1/2".Hence, the altitude of the Polaris at an altitude of 23° 1/2" will also be 23° 1/2", although it will most likely remain invisible.A person that lives on the Tropic of Capricon is approximately on latitude 23° 1/2". Since the altitude of a star is its height above the horizon, the altitude of Polaris from the Tropic of Capricon would, therefore, be 23° 1/2"
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