If your friends or family notice that you're sad often than you definitely should.
Answer:
using visual aids to convey information
Explanation: Because she visualizes on how to floss your teeth in front of the patient.
Answer:
D.
Explanation:
Muscle is the most metabolically active tissue. You burn calories via exercise. Plus you burn calories just for having muscle. The more muscle you have the more you burn.
A .brushing twice a day, hope this helps
