Limestone Is Composed Almost Entirely of Calcite, Which Has the Chemical

question 64

Multiple Choice

Limestone is composed almost entirely of calcite, which has the chemical formula CaCO₃. As a result, limestone is classified as____________ .

• A) a rock
• B) a mineral
• C) both a mineral and a rock
• D) neither a mineral nor a rock because it is organic

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Definitions:

Cuticles

The thin layer of skin at the base of the nails on fingers and toes, protecting the nail matrix from infections.

Brittle

Having a hard but easily breakable texture or quality, often describing materials or substances.

Clubbing

A condition where the fingers and toes swell into a club-like shape, often indicating underlying health issues.

Vision

The faculty or state of being able to see with the eyes, or the perception of the environment and surroundings made possible by the process of sight.