A. Moisten and filters incoming air
Invertebrates
in- = not
vertebra = spine
Divergent boundary because the plates are moving away from each other
Answer:
C. Why do some farm choose to use pesticides?
A virus is a microscopic particle that can infect the cells of a biological organism. Viruses can only replicate themselves by infecting a host cell and therefore cannot reproduce on their own. It has been argued extensively whether viruses are living organisms.