Question

Why does the land around an once active coal mine remain barren?A. Toxic nitrous oxides were released into the soil killing all plants B. ozone is formed from hydrocarbons which prevents the growth of plants C. The ground where the coal was mined is acidic so few plants can grow there D. empty coal mines are flooded with acid ran so no life forms can survive

Answer 1

The burning of coal releases sulfur dioxide, nitrogen oxides, and mercury compounds into the air.

According to this, we can conclude that the correct answer is:

A. Toxic nitrous oxides were released into the soil killing all plants