<span>Wasting away of muscle is called atrophy. Atrophy can occur with genetic mutations, and it can also occur when you don’t use the muscle for a while. One environmental cause would be if you become paralyzed and can’t use a muscle. Other factors would be lack of exercise and not eating a healthy diet.</span>
I think the first option is the answer.
Explanation:
HIV virus is an RNA virus
Answer:molecule
Explanation:A molecule is the smallest particle of a compound that still has the compound's properties. It consists of two or more atoms bonded together
