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:

i did it. :)

pandas are endangered because of habitat destruction by humans.

as of 2014 there were around 2,000 left, since then, it supposedly has risen 17%.

they are a very endangered species.

-theoneandonly003