The answer is A. Organisms compete for limited resources. A is wrong because it has nothing to do with reproduction which is natural selection.
Yes.
Both of them have vacuoles but the diffrences are-
plants have a cell wall and chlorophyll. <span />
Answer:
Option D, renewable resource
Explanation:
A renewable resource is the resource which can be replenished after every use. Or in general the time taken by it to replenish must be small. For instance, fossil fuels too are renewable but the time taken by them to renew is too high and hence they are also considered as non-renewable.
Also renewable resources can be used again and again.
Hence, option D is correct
I believe the correct answer is A. Increases the rate of a chemical reaction. This is because they act as catalysts.
It is soil after wind for example wind storm causes to soil erosion