Some mollusks are nearly microscopic.
Ribosomes are too small to see in the light microscope.
Some mollusks are nearly too small to see.
Some mollusks are nearly what?
Options:
[1] more abundant
[2] scarce resources
[3] too sad to talk to
[4] too large to touch
[5] major threat to health
[6] too small to see
[7] too big to see
[8] important habitats