Which action is the best way to prevent cavities? A. Using a fluoride-based toothpaste B. Keeping your hands away from your mouth C. Washing your hands regularly with soap D. Changing your toothbrush every three months

I'm going to go with A

Explanation: Hope I'm right bc go ogle says a lot about fluoride-based things

which ever one is showing doing the same exercise in time intervals such as 30 seconds or a minute several times.

answer is b

  a   having low self-esteem

  b   having abusive family members

  c   having poor school attendance

  d   having friends who discuss gang life

living torture and being abused makes one not mind harming other people.

and also not being supported and abusing one turns one into this state.