Answer:
B. The cells of the immune system.
Explanation:
HIV is called Human Immunodeficiency, meaning it weakens the human immune system.
Answer: a naturally occurring depsipeptide used in the transport of potassium
Answer:
B. and C.
Explanation:
the action or process of precipitating a substance from a solution
rain, snow, sleet, or hail that falls to the ground
and ello