If microscope is used to see bioaerosols by biologists by making them appear bigger, then what do biologists use a microscope to see by making them appear bigger?

Answer choices:
- sea urchins
 - squids
 - Jellyfish
 - bioaerosols
 - tunicates
 - most cephalopods
 - mussels
 - tiny polyps

 

    bioaerosols      