Measles is a viral infection that's serious for small children but is easily preventable by a vaccine. it is a respiratory problem. this infection came into the us when people travel internationally.
How to stop all together. But you should also see a counselor or get professional help, because you can't just up and decide I'm not gonna drink anymore, it is hard. The professional help will guide you, and give you substitutes, and help you through your problems.
The answer is: [C]:
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"sustains life and keeps body systems in good repair."
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That would most likely be True due to peer pressure, however, some people reject it and would leave this group of friends.