Which statement best describes a sustainable mining or drilling technique? Heavy metals are stored in water storage tanks.
Mining locations are filled with water.
Space needed for drilling on land is decreased.
Drill rigs use more diesel fuel instead of coal.

drill rigs use more diesel fuel instead of coal

burning of wood and coal

explanation:

the panel also concluded there's a better than 95 percent probability that human-produced greenhouse gases such as carbon dioxide, methane and nitrous oxide have caused much of the observed increase in earth's temperatures over the past 50 years.