Answer:
B
Explanation:
soil being depleted to nitrogen due to high runoff
The universe focuses on system
Answer:
A. Keratin
Explanation:
Keratin is the tough and fibrous intercellular protein. It is present in the skin cells and makes them resistant against microbes and chemicals. Most of the epidermal cells are keratinocytes that produce keratin protein. And the presence of keratin proteins makes the skin tough and protects it from chemicals of microbial origins.
Answer:
True
Explanation:
Osmosis refers to the diffusion of water molecules ONLY.
Answer:
Your body would not have alot of energy
Explanation:
