Free points and I will give you the thing if you look up "ahegao face" and put a picture ;D

How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain

Jason adds the antibiotic penicillin to a bacterial culture. the bacteria develop genetic modifications in their genome, which gives them resistance to the antibiotic penicillin. what caused this genetic modification?

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic