It allows the grass and plants time to replace themselves when the animals migrate.
Answer:it takes millions of years sometimes hundreds
Explanation:
Coal, Oil and Gas are called "fossil fuels" because they have been formed from the fossilized remains of prehistoric plants and animals. Fossil fuels are a nonrenewable energy source since they take millions of years to form. ... The plants that turned into fossils stored energy from the sun by photosynthesis.
