I am not 100% sure but I think it’s A sorry if I am wrong but a answer is batter then no answer lol have a good day
The environment the body was left in
6)active immunity occurs when the person is exposed to a live pathogen and passive immunity<span> can occur naturally.
7) you can buy bacteria killing soap and keep your house bacteria free. wipe down everything that hands touch everyday.
hope this </span>helps. :)