Which of the following is not an ocean resourcea- sand b- common table saltc- natural gasd- silver

THE ANSWER TO YOUR QUESTION IS SILVER

Answer;

D. silver

Explanation;Ocean is rich in natural resources both living and non-living resources. Living resources in the ocean which includes fish, which are used both for commercial and domestic purposes.Oil and natural gas are examples of most variable non-living resources found in the ocean. Additionally, the ocean is mined for minerals such as salt, sand, gravel and some manganese, iron, nickel catalyst and cobalt found in the deep ocean.

Idont really understand

The correct answer is:       [c]:   "organisms that are sensitive to changes in temperature would die. "