Answer:
retrovirus
Explanation:
a retrovirus inserts RNA to produce the viruses DNA in the hosts cells
this is why mothers can pass HIV and other retroviruses through pregnancy or breastfeeding
Answer:
Subtract your age from 220 to get your maximum heart rate. Calculate your resting heart rate by counting how many times your heart beats per minute when you are at rest, such as first thing in the morning.
I think A dont count me on that
C. nose .......................................
I do indeed believe that the correct answer is B
