Which reason best explains why dead specimens must be used with transmission electron microscopes? electrons pass over the specimen. the lights that are used are harmful to the specimens. specimens are placed in a vacuum. the image that is produced is two dimensional?

Question: Which reason best explains why dead specimens must be used with transmission electron microscopes? electrons pass over the specimen. the lights that are used are harmful to the specimens. specimens are placed in a vacuum. the image that is produced is two dimensional?

Specimen are placed in the vaccum is the correct reason for explaining the dead specimen used when with the transmission electron microscope. In this a vacuum is present inside the electronic microscope so Electron will hit the air particle instead of the specimen.