Which Tooth Structure Is the Hardest Substance in the Body

question 25

Multiple Choice

Which tooth structure is the hardest substance in the body?

• A)Dentin
• B)Enamel
• C)Pulp
• D)Root canal
• E)Crown

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Definitions:

Methane Gas

A colorless, odorless flammable gas that is a major component of natural gas, potent greenhouse gas contributing to global warming.

Coal Beds

Layers or seams of coal, a fossil fuel formed from the remains of ancient vegetation, which have been compacted and naturally processed in the Earth over millions of years.

Calcium Carbonate

A chemical compound with the formula CaCO3, a common substance found in rocks as the minerals calcite and aragonite (most notably as limestone) and is the main component of pearls and the shells of marine organisms, snails, and eggs.

Stalagmites

Mineral formations that rise from the floor of a cave due to the accumulation of material deposited by dripping water enriched with minerals.