Calcium carbonate molecules are already present to the bodies of marine organisms. Therefore, the answer is letter C. The molecule is very important most especially to the corals because it strengthens their internal structure and prevents it from being fragile against the forces inside the ocean.
The primary function of sleep is not to restore the body yet to rest and restore the "Brain".
Answer: Your answer should be your mum .
Explanation:
Suck your mum . This is what you did to the other people so I will do the same to you .
