Question

Tailings are dangerous because they can

A. release toxic elements into the groundwater or surface water.
B. decrease the amount of nonrenewable resources available.
C. be very explosive.
D. increase the chances of a volcanic eruption.

Answer 1

A. release toxic elements into the groundwater or surface water.

Answer 2

The right answer for the question that is being asked and shown above is that: "A. release toxic elements into the groundwater or surface water." Tailings are dangerous because they can release toxic elements into the groundwater or surface water.