A
Explanation:
it’s the one that makes the most sense !
The inflamitory response clogs up some whereever it is so the infection cannot spread.
They help convert nitrogen to nitrate which is usable by living beings. (Living beings can't use regular nitrogen)
Conjugation - this is when bacteria exchange genes among each other. Sexual reproduction is when genes from the male and female are fused to create a new diverse zygote. Bacteria can do a similar process by conjugation.<span />
