Http://www.livescience.com/22537-skeletal-system.html
Answer:
D
Explanation:
it regulates the flow of water into the cell
Eat It because it tastes really really good
D <span> microscopes hope it helps </span>
Microbes. Bacteria, for example, convert nitrogen and carbon dioxide from the air into usable components that plants and animals can use as essential building blocks. A loss of all microbes would be terrible news for living organisms that can't create or take in these essential nutrients on their own.
