Answer:
A variety of peroxide compounds, including carbamide peroxide, hydrogen peroxide, sodium perborate and calcium peroxide, have been used as active ingredients for bleaching materials
Explanation:
Assuming your ‘is’ in your question is ‘if’, you’re answer is True.
The therapeutic value of a medication is called its efficacy.
Say no
come up with an excuse to leave
tell them about the negative effects of drugs then say no
say you don't do drugs
tell them you can't
walk away
