It is the source of the nation's petroleum deposits.
Answer:
Insulin is the key hormone of carbohydrate metabolism, it also influences the metabolism of fat and proteins. It lowers blood glucose by increasing glucose transport in muscle and adipose tissue and stimulates the synthesis of glycogen, fat, and protein.
Answer:
I'm going with B kinetic energy from ocean currents
Answer:
I belive the answer is C It protects the earth from solar radiation
4) Polaris
Stars emit light with energy generated by nuclear fusion, think of the Sun as an example. Polaris is a star, it's the brightest star in the little bear constellation, and therefore the correct answer.