DENTIN
calcite
It has kool in it
Harder..One of the hardest things in the natural world.
Alloys are harder than the components.
calcite
The root of a tooth are covered with cementum which is much softer than enamel.
No, diamond is harder than enamel.
it is softer
Limestone is softer than marble, but harder than chalk.
It's softer. #1 softest, #2 slightly harder, #3 harder than #2, etc.Softer.a #1 pencil is softer than a#2 pencil
Enamel is the hard, outer material found on teeth. Underneath the enamel is dentin, which is softer and makes up most of the tooth. If a person has bad acid reflux, the enamel on their teeth comes off, and their teeth become very sensitive to temperature and certain foods.
the enamel!
calcite
it is silver
It has kool in it
Harder..One of the hardest things in the natural world.
Coal is considered to be a rock.