Answer: A mollusk accidentally imported from Europe. They clog pipes and water ways.
Explanation:
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 #1: instinctual trait
Answer#2: learned trait
Hey could you send the picture of what it is, I might could help.
The answer is D) carbon forms both single and double bonds.
