Question

Which of these statements about light microscopes and electron microscopes is NOT true?

You can use light microscopes to observe both living and nonliving cells; you can use electron microscopes to observe only nonliving cells.
Light microscopes use visible light rays; electron microscopes use beams of electrons.
Preserving and staining samples for use with light microscopes is necessary; preserving and staining samples for use with electron microscopes is optional.

Answer 1

Preserving and staining samples for use with light microscopes is necessary; preserving and staining samples for use with electron microscopes is optional

Answer 2

"Preserving and staining samples for use with light microscopes is necessary; preserving and staining samples for use with electron microscopes is optional"
that is the correct answer