Primary succession is when, for example, a volcano explodes and there is nothing left and even the soil is ruined. It would take at least a hundred years for the land to be like it was before the volcano erupted. Secondary succession is when, for example, a wild fire happens but the soil is not ruined. It would take at least 25-50 years for the land to be like it was before the fire.
Answer: The first answer is 3 and the second answer is c
Explanation:
Answer: They compare the number of mutations to determine how long ago species separated and evolved.
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Correct do not use fossil fuels is the answer
