Answer: 1.Metric and 2. Demical
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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:
A) Fad diets are extremeand do not include balanced meals. They are usually hard to maintain because of there extreme restrictions. Also the weight one loses while on a fad diet is generally gained back as soon as a person stops dieting
1) puberty hormonal changes lead to acne
2) feeling aroused by the opposite sex
3) self-conscious
4) peer pressure
5) body odor
solve problem
1) invest in good facial wash and regime
2) practise safe sex, sexual education in school
3) take a hobby or sports to gain confidence
4) join support groups
5) use deodorant and bath least twice a day.