robert7248
12.10.2020 •
Biology
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.
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Ответ:
C. Specimens are placed in a vacuum
Ответ:
C. Specimens are placed in a vacuum
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.
Ответ:
Its probably dying
Explanation: ???