Multiple Choice
The electron beam strikes the specimen in an area where there is a high concentration of heavy metal atoms.What does the spot on the phosphorescent screen of the electron microscope just below this part of the specimen look like?
A) It is dark.
B) It is bright.
C) It is speckled.
D) It is invisible.
E) It is purple.
Correct Answer:

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Correct Answer:
Verified
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