tailings are dangerous because they can

A. RELEASE TOXIC ELEMENTS INTO THE GROUNDWATER OR SURFACE WATER

B. BE VERY EXPLOSIVE

C.INCREASE THE CHANCES OF A VOLCANIC ERUPTION

D. DECREASE THE AMOUNT OF NONRENEWABLE RESOURCES AVAILABLE

Respuesta :

its A= They can release toxic elements into the groundwater or surface water, hope this helped you out some bit :)
The answer is A release toxic