Fact 1: Some mollusks are nearly microscopic.

Fact 2: Ribosomes are too small to see in the light microscope.

Given the two facts above, answer the question "Some mollusks are nearly what?" with the following options: 
- more abundant
 - scarce resources
 - too sad to talk to
 - too large to touch
 - major threat to health
 - too small to see
 - too big to see
 - important habitats


 

      too small to see   