Question

Which reason best explains why dead specimens must be used with transmission electron microscopes?

A.) Electrons pass over the specimen.
B.) The lights that are used are harmful to the specimens.
C.) Specimens are placed in a vacuum.
D.) The image that is produced is two dimensional.

Answer 1

C. Specimens are placed in a vacuum

Step-by-step explanation:

Since transmission electron microscopes must be used in a vacuum the specimen cannot be living. In a vacuum, there is no oxygen so nothing could survive it.