The germ theory of disease states that many diseases are caused by the presence and action of specific

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The answer is microorganisms

1) Microorganisms

2) Human Immunodeficiency Virus and Varicella Zoster Virus

3) B: The microorganism can be isolated and grown in a pure culture.

Explanation:

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the word that best matches the meaning of the expression "went to the big ocean" is died.

the goldfish died, which is why the father looks at the children mournfully. the "big ocean" is the father's way of saying fish heaven. he could have just said that the goldfish died, but this way, the children imagine the fish in a bigger, better place instead of just picturing a dead fish.

explanation:

“yesterday’s the past, tomorrow is the future, and today is a gift, that’s why we call it a ”

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