Underground coal mining increases pollution. Underground coal mining reduces habitat loss. Underground coal mining increases forest growth. Underground coal mining reduces animal populations.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Some coal mining occurs underground and does not disturb the overlying land. How might coal mining that occurs underground be less harmful to the environment than surface mining?
Possibilities:
- Underground coal mining increases pollution.
- Underground coal mining reduces habitat loss.
- Underground coal mining increases forest growth.
- Underground coal mining reduces animal populations.

Underground coal mining reduces habitat loss.