Answer:
I believe it is D. All of the above.
Explanation:
I'm kinda into science yet I have no explanation, so sorry ;-;
I think it has had a positive effect.
Hope this helps.
Answer:
They usually cannot grow again
Explanation:
Viruses because children immune system cannot repeal parasites (no one can) or bacteria that is why we wash or hands. Fungi is not something we can repeal either.
