Answer:
Coal, crude oil, and natural gas are all considered fossil fuels because they were formed from the fossilized, buried remains of plants and animals that lived millions of years ago. Because of their origins, fossil fuels have a high carbon content.
Explanation:
B
all of the options are correct and are examples of those energy forms
B(sperm production)
D(appearance of secondary sex characteristics)
D. Competition
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9 is true
10 is d
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