A biohazard is a. an enviorment crisis
b. a living organism
c. a scientific term
d. a man-made organism

A man made organism I think is the answer

i think it's the first one because doctors aren't the ones who get rid of the old needles. most of them time it's not even doctors who give you shots, it's nurses.

answer(c); cultural values may have affected jack's grandmother's and aunt's belief about extended family;