Brief answer pls..... why does pumice have many holes in it??
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ANSWER:
Pumice is a light-colored, extremely porous igneous rock that forms during explosive volcanic eruptions.
EXPLANATION:
The pore spaces (known as vesicles) in pumice are a clue to how it forms. The vesicles are actually gas bubbles that were trapped in the rock during the rapid cooling of a gas-rich frothy magma. The material cools so quickly that atoms in the melt are not able to arrange themselves into a crystalline structure. Thus, pumice is an amorphous volcanic glass known as a "mineraloid.:
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