The answer is A to this question
Answer:
a
Explanation:
Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population. If they are met, natural selection automatically results.
As you move upward through the troposphere, the temperature gets colder with height.
It would have to have a density greater than the density of Mercury. For example, if an abject had a density of 14.5 g/cm^3, it would sink when put in Mercury. Hope this helps! :D
Answer:
In plants
Explanation:
Photosynthesis takes place in chloroplasts, which contain the chlorophyll. Chloroplasts are surrounded by a double membrane and contain a third inner membrane, called the thylakoid membrane, that forms long folds within the organelle.