Fact 1: Microscope is used to see small things by biologists by making them appear bigger.

Fact 2: Bioaerosols are extremely small living organisms or fragments of living things suspended in the air.

Given the two facts above, answer the question "what do biologists use a microscope to see by making them appear bigger?" with the following options: 
- sea urchins
 - squids
 - Jellyfish
 - bioaerosols
 - tunicates
 - most cephalopods
 - mussels
 - tiny polyps


 

    bioaerosols     