Respuesta :

Answer:
Acid mine drainage
metal contamination,
increased sediment levels in streams

Explanation:

ACID MINE DRAINAGE
Mine waste, heavy metals and acidic water often end up in streams and rivers.

METAL CONTAMINATION
Heavy metals also affect the biodegradability of organic pollutants, making them less degradable and thus causing double the effect of polluting the environment.

Answer: salt and petroleum

Explanation:

Just took this today and im pretty sure this is the right one

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