asked 158k views
3 votes
An electron microscope is usually used for microorganisms that are _____.

too small to be seen with the unaided eye
too small to be seen with an optical microscope
not possible to observe with any instrument

2 Answers

5 votes

The answer is too small to be seen with the unaided eye.

answered
User Nedim
by
8.1k points
5 votes
btoo small to be seen with an optical microscope
answered
User DJphy
by
7.1k points
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