Answer:
biological, chemical and physical.
<h2>Answer:</h2>
A wave of new drugs has grown frequently popular with today's adolescents and young adults. These drugs are generally known as club drugs, a word originating from the rave phenomenon. Many club drugs are also named designer drugs, pointing to the fact that many of the drugs are man made (for example, <u>Ecstasy or ketamine</u>) rather than perceived in or derived from nature (for example, <u>marijuana or opium derivatives</u>).
Incorrect posture and body movement can cause strains to <u>m</u><u>u</u><u>s</u><u>c</u><u>l</u><u>e</u><u>s</u> or joints.
the answer is C. distinguish himself from radicals.