A: easy to put on
B: comfortable
C: dosent show too much
Napping for longer that this amount of time is probably not a good idea.
The answer is D
D. Lets go to the gym together, you pick the activity.
D, more than 20 check out some quizletts
Answer:
Genetic Change in Viruses. Viruses are continuously changing as a result of genetic selection. They undergo subtle genetic changes through mutation and major genetic changes through recombination. Mutation occurs when an error is incorporated in the viral genome.