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Answer:

What process is envolved for a white glue to harden eventually?

A. decantation

B. distillation

C. evaporation

D. filtration

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Answer:

C. Evaporation

Explanation:

Water acts as a solvent that keeps the glue liquid until you want it to stick. When you put glue on a piece of paper, the solvent — water — is exposed to air. The water eventually evaporates (changes from a liquid to a gas). As the water evaporates, the glue dries and hardens.