HELP PLS THANK YOUU!!

The outermost layer of your teeth is called the enamel and is made of?

Place a check mark in the box to indicate which type of mutation is being shown. super urgent

Aproper cool-down routine includes which of the following? a). eating a good-sized meal b. five to 10 minutes of slow walking or jogging and stretching c). less than 5 minutes of cool-down stretches d). sprinting or other strenuous exercise