10 POINTS Which of the following is a common sign of drug abuse ?????

Question by Wolrd_gansta: 10 POINTS Which of the following is a common sign of drug abuse ?????
so so easy question but only oNE answer

A. assertive behavior

B.developing friendships that encourage healthy behavior\

C. good decision- making skills

D.unexplained changes in behavior

Best answer:

Answer by LKO S
D.

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