Question

Which statement best describes a sustainable mining or drilling technique?

Slag is used to neutralize acidic waste.
Heavy metals are stored in water storage tanks.
Mining locations are filled with water.
More diesel fuel and coal are used in drill rigs.

Answer 1

Am i right with D? not sure

Answer 2

Yeah, I think you are correct because that one makes the MOST sense for mining and drilling.

A: It neutralizes the acid
B: Doesn't make MUCH sense
C: Filled with water could be a bad thing, as in it's flooded.
D: Has things that make sense and talks about the equipment of the hows and what it does in the situations.

Hope this helps c:

Answer 3

thank you