Hello!

Question

Thanks for checking my question out!
____

2. Antibodies to common microorganisms have been developed by (1 point)

a) infancy.
b) childhood.
c) adolescence.
d) adulthood.

My Answer: A
Could someone please check my answer?

Thanks!
- Da Fash

Answer 1

this answer remains unknown

Answer 2

Maybe... one day , someone will answer it.