Why can mining for minerals in the deep ocean have a large impact on the environment?

a.) the companies that mine minerals always take more than they are legally allowed to.
b.) the equipment needed for mining takes over the space used by species for shelter.
c.) the many unknown species living in the deep ocean may be destroyed by mining activities.
d.) the money needed for mining usually gets taken from other protective programs.

C.) The many unknown species living in the deep ocean may be destroyed by mining activities.

Explanation:

Mining is the process of excavation of the valuable minerals and other resources by drilling the undersurface region of the earth. The deep ocean mining is done on the sea floor which allows the excavation of natural gas, oil and other resources. The excavation process will deteriorate the quality of water as a result of this the organisms or unknown species which live in the deep oceanic region may migrate, reduce in number and may extinct.

complete the square on the right side of the equation;

-5(x + 0)^2 + 15

answer: d. y = -x^2 + 15

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.