One effect of some refrigerant gases in the atmosphere is that they:

Approximately what percentage of americans are affected by schizophrenia

Which one contains more bacteria a sneeze or a cough ? ♡

When a person undergoes root canal treatment or another endodontic treatment: [select all that apply] a.) the inside of the tooth is carefully cleaned and disinfected. b.) air is forced into the canal to stop bleeding. c.) the inflamed/infected pulp is removed. d.) the inside of the tooth is filled and sealed with a rubber-like material called gutta-percha