Answer:
c
Explanation:
Gas exchange. Gas exchange occurs as a result of respiration, when carbon dioxide is excreted and oxygen taken up, and photosynthesis, when oxygen is excreted and carbon dioxide is taken up. The rate of gas exchange is affected by: the area available for diffusion.
Nerve cells because skin cells keep dividing when you loose skin. Epithelial cells also divide when you loose others.
Answer:
B.ocean trench
Explanation: When tectonic plates slide against each other one overlaps the other.
Many harsh chemicals like baby powder(which some adults use), deodorants, harsh chemicals in lotions and spray on colognes. Different things that are bad for your skin but many adults use everyday. <span />
