Answer: The gateway drug effect (alternatively, stepping-stone theory, escalation hypothesis, or progression hypothesis) is a comprehensive catchphrase for the often observed effect that the use of a psychoactive substance is coupled to an increased probability of the use of further substances.
Explanation:
The most common site are the skin overlying the sacrum, coccyx, heels or the hips, but other site such as the elbows,knees, ankles or the back of the cranium can be affected.
Talking it out, making sure both people in relationship know each others feelings and opinions
Isotonic exercise, Isometric exercise DOES NOT! include weights. plus its a type of joint ankle strengthening exercises. Isotonic<span> comes from the Greek "iso-", equal + "tonos", tone = maintaining equal</span>
I would say that the answer is D. Hope this helps...