Question

Why does the land around a once active coal mine remain barren?

A: Toxic nitrous oxides were released into the soil killing all plants.
B: C: Ozone is formed from hydrocarbons which prevent the growth of plants.
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Answer 1

Empty coal mines are flooded with acid rain so no life forms can survive.

Step-by-step explanation:

Answer 2

Hello!!

The answer is A. Toxic nitrous oxides were releassed into the soil killing all plants