Question

17 multiple choice 2 points acid mine drainage harms or kills aquatic life. purifies streams. is unregulated in the united states. causes acid rain. 18 multiple choice 2 points surface mining can cause both air and noise pollution. neither air nor noise pollution. only noise pollution. only air pollution.

Explanation:

Acid mine drainage contains high - levels of acidity and heavy metals which are harmful to aquatic life. Surface mining activities involve machinery operation and removal of earth materials, leading to both air (from dust) and noise pollution.

Answer:

1. A. harms or kills aquatic life.
2. A. both air and noise pollution.