Fossil fuels are harmful to the environment when they are exposed to the air. So, the correct option is B.
<h3>What do you mean by Environment?</h3>
An environment may be defined as anything that is present in the surroundings of living entities whether biotic or abiotic factors.
After burning, fossil fuels are exposed to air and cause air pollution that results in acid rain, eutrophication, a severe threat to crops and forests, and major harm to biodiversity.
Therefore, the correct option for this question is B.
To learn more about Fossil fuels, refer to the link:
brainly.com/question/79954
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