An electron microscope would be used if
a sample needed to appear lighter
O a sample was too small to be seen with an optical mic
details of cell structures needed to be distinguished​

Respuesta :

Answer:(B) a sample was too small to be seen with an optical microscope

lighter or darker has nothing to do with microscope.

cell structure is easily visible with optical telescope.

Explanation:

Answer:

a sample needed to appear lighter

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