Which of the following practices that are needed to run a nuclear power plant has a negative impact on both air and water?
a.
cooling of the power plant
b.
mining of uranium
c.
storage of radioactive waste
d.
monitoring the reactor

The correct option is B

Uranium is a radioactive element and its mining has many disadvantages. Th principal disadvantage of uranium mining is its radiations, which can cause severe health problems. The mining of uranium also have serious negative impacts on both air and water. Both the quality and the quantity of surface water and underground water are usually affected negatively by uranium mining.

as many times as you want

it cools slower in the earth meaning the crystals have more time to form than lava on the surface