HELPPP PLZ 30 POINTS IFU ANSWER Select the correct answer.
How should you hold your toothbrush for the Bass technique?
A.
Hold the brush at a 45-degree angle to the chewing portion, or the biting surface, of the tooth.
B.
Hold the brush directly against the gum and the top two-thirds of the tooth.
C.
Hold the brush at a 45-degree angle to the surface of the tooth and gum line.

Click on  the link  to view information gathered by the organization keep america beautiful. read "the costs of american littering" to find three negative effects of litter in local communities.  based on your research, what are the negative effects of litter in local communities? check all that apply.litter cleanup is very expensive.litter has decreased since 1969.litter is a constant community problem.litter causes property in the community to be less valuable.litter contaminates water and has other environmental consequences.