Its "C" because the earth only has a certain amount of oil but yet we have endless amount of sun, solar, and wind
Answer:
Parathyroid hormone increases the level of calcium while calcitonin hormone decreases the level of calcium in the blood.
Explanation:
Parathyroid hormone is a type of harmone which is responsible for balancing calcium in our body. When the calcium level lowers in our body, parathyroid hormone is secreted and calcium is absorbed from the bones and fullfilled the requirement of the body. If the tumor secreted calcitonin hormone instead of parathyroid hormone, the calcium level in the blood is lowered because it acts to the opposite of parathyroid hormone.
Answer:
The third side can be any length if we don't know the value of the angle between the two known ones or the full perimeter.
Explanation:
B, molecules in a solid are still yet with small vibrations