I think the answer is (Heat within the earth)
Answer:
a. they can never run out as they come back quickly
Answer:
Why is water so important to all living things?
Explanation:
we need water to live
Answer:
Food (Glucose)
Explanation:
Glucose provides us with energy that is obtained through a process known as glycolysis of carbohydrates. They are our most primary sources of energy. However, Glucose only enters organs and cells, through insulin produced by the pancreas.
