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Why is the common cold common?
Because the virus is so easily spread, it also changes all the time so your body cannot create defenses against it. Also, the virus spreads all over you body so whenever you take a breath, you spread...
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Why is common cold so common?
its contagious so it gets spread really easily Also your body can't make itself immune to colds, because there's so many different colds going around. That's why there's no cold vaccine - it's...
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How common is smoking common in teens?
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What are common and greatest common factors?
When you find a greatest common factor, or GCF, you find all the factors that go into a number. Lets try it with 8 and 12. Factors of 8: 1, 8, 2, 4 Factors of 12: 1, 12, 2, 6 3, 4 The factors that...
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What do the common factors of 12 have in common?
There cannot be a greatest common factor of just one number. To be common there need to be at least two numbers. If you find all the factors of two or more numbers, and you find some factors are the...