Answer:
A. Choking
Explanation:
The other answers don't make sense.
Answer:
the answer is true
Explanation:
I looked up the definition and B cells are activated and they proliferate to produce antibody become cells that produce antibodies for that antigen .
Answer:
The client's immune system became further weakened
Explanation:
Answer:
true
Explanation:
deaths did decline since 1900s so its true
<span>When there is less air in it</span>