Answer:
I think it is in china
Explanation:
if I wrong sorry cause I'm not sure in my answer
Answer:
its Infectious agent .
I hope its right if not an advance sorry .
Answer:
D) to break down oxygen entering the respiratory system
Explanation:
Because the function of mucus in the nasal cavity is warm, moisturize and filter air entering
Say no, when they Peer pressure you still stand your ground and say NO