how are resources classified on the basis of stock and distribution. give five examples? please give me the answer fast..​

Why are shark population in decline worldwide?

Which of the layers of the earth has the following three characteristics? i. it is made of molten rock. ii. it has currents that are constantly moving. iii. earth’s plates float on top of its currents.

If scientists only detect p waves in a certain layer of earths interior what does that tell us?