Answer:
Green chemistry, or sustainable chemistry, involves creation on the molecular level:
Explanation:
The main purpose is protection. The lipid bilayer protects the cell from viruses and other threats to the cell. It also maintains homeostasis within the cell by monitoring the amount of substances the enter or exit the cell.
Answer:
paleolithic went to neolithic and thats when the people started to build homes and boats etc
Explanation:
Answer:
The advantage of this is that there is a larger surface area exposed, more time available and shorter difference for exchange of oxygen.
Explanation:
