Because they know when they are full and satisfied. They dont have Control over what they eat. But how much they eat.
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Explanation:
E Aids , A is hepatitis b,C is type 2 ,D type 1, and B is HIV
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The word demography comes from two ancient Greek words, demos, meaning “the people,” and graphy, meaning “writing about or recording something” — so literally demography means “writing about the people.”
