Answer:
Is repeated weight gain and loss
Explanation:
It can be avoided by maintaining fats/carbohydrates balanace in one's diet.
Answer: In 1858, Pasteur filtered air through a gun-cotton filter and, upon microscopic examination of the cotton, found it full of microorganisms.
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Answer: healthcare is different from other services because it is not clearly defined. The demand for healthcare comes from the desire of the consumers to gain good health people prefer to be healthy than sick.