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WARRIOR [948]
3 years ago
15

Which of the following is an example of a concave structure

Biology
1 answer:
Anuta_ua [19.1K]3 years ago
7 0

Answer: The definition of concave is to be curved inward. ... At the location of the fracture, we see the skull is curved inward, so we would say the skull is concave. Some other examples would be a dented can or car bumper. Whenever an object is curved inward, we say the object is concave.

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If the sun provides the plant 100% of its energy and a deer eats the plant and the
sweet [91]

Answer:

Well a plant gets 10% of the energy of the sun, since that plant isn't the only thing soaking up the suns rays. So if the rabbit comes along and eats it, it should only get 1% of the energy of the plant, if I'm not mistaken. Therefore the wolf would only get about .1% if I'm not wrong

> Disclaimer: I've not had to do this for awhile so please correct me if I'm wrong <

Explanation:

7 0
4 years ago
Describe an example when a wave would slow down due to refraction.​
Alexus [3.1K]

Answer:

So if a wave slows down, its wavelength will decrease. ... Part of the wave travels faster for longer causing the wave to turn. The wave is slower but the wavelength is shorter meaning frequency remains the same.

Explanation:

7 0
3 years ago
What makes up the protein component of a nucleosome core?
geniusboy [140]

Answer:

C. two tetramers of histone proteins

Explanation:

The nucleosome core particle is responsible for packaging DNA in the chromosomes. The protein components that make up the nucleosome core are two tetramers of histone proteins. One of which is composed of two units each of histones H2A and H2B, while the other one is composed of two units each of histones H3 and H4. Thus making up the entire protein component of the nucleosome core.

8 0
4 years ago
Which statement is the most likely explanation for why the mouse population changed over time
wlad13 [49]

Answer: A, the white mice are able to reproduce faster (the mouses only differ in color).

4 0
3 years ago
Which statements describe the impact of the use of
dedylja [7]

Answer:

  • It improves the growth of crops.
  • It harms organisms that live in the oceans.

Explanation:

Fertilizers provide nutrients to plants, where the most needed nutrients in agriculture are nitrogen, phosphorus and potassium. Negative media coverage of the  role of agriculture in pollution can make farmers feel guilty about the use of fertilizers. However, reducing fertilizer input can slow plant growth and exacerbate problems such as soil erosion. While it is important  to be aware of the effects of fertilizers and  use them with caution, it is also important for everyone to recognize that agricultural fertilizers are not the main source of  pollution. If the plant uses all the nutrients and uses fertilizer wisely to prevent leaching, there is little chance of contamination.

Nitrate leaching from the soil poses a serious health risk and can contribute to soil acidification. When high levels of nitrogen are used, or when clover grass meadows fix significant nitrogen, nitrates inevitably seep out into groundwater where the water table is present, especially in sandy or well-drained soils. There is a possibility of entering. When this groundwater is used for domestic supply, leaching poses a serious health risk.

8 0
2 years ago
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