Why Must a Specimen That Is to Be Viewed in the SEM

question 1

Multiple Choice

Why must a specimen that is to be viewed in the SEM be dehydrated before viewing?

• A)Water causes the specimen to swell.
• B)Water distorts the image.
• C)The specimen will be observed in a vacuum, which would cause the water to freeze.
• D)The specimen will be observed in a vacuum, which would cause the water to evaporate rapidly and damage the specimen, altering its surface structure.
• E)Water attracts electrons.

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Definitions:

Canned Vegetables

Vegetables that have been processed, sealed in an airtight container such as a can, and subjected to heat to extend their shelf life.

Repetitive Process

A series of actions or operations that are performed over and over again, usually in a manufacturing or production setting.