Answer:
It is C. frequency, intensity, time, and type
Explanation:
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1. I think it is bloodstream
2. I am not sure
The term “designer drugs” refers to drugs that are created in a laboratory (typically, an “underground,” or secret, illegal lab). A designer drug is created by changing the properties of a drug that comes from a plant—such as cocaine, morphine, or marijuana—using the tools of chemistry.
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C) its the process of intraction with people, companies, etc.