Question

coal,air and water are examples of​

Answer 1

Explanation:

Coal mining

Mining operations can negatively impact water supplies, often with long-lasting effects. The fundamental issue involves contamination of nearby rivers, lakes, and aquifers by what comes out of a coal mine—usually highly acidic water containing heavy metals like arsenic, copper, and lead.

Answer 2

Answer:

solid

gas

liquid

Explanation:

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