Microbes in our digestive tract that help us digest food demonstrate a ________ association

A) benthic B) parasitic C) pathogenic D) homeopathic E) symbiotic


E

Environmental & Atmospheric Sciences

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Which is these is NOT a pillar of the Nuclear Non-proliferation Treaty (NPT)?

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Earth's main energy outputs is (are)

A) visible light. B) thermal infrared radiation. C) X-rays. D) near infrared radiation. E) ultraviolet radiation.

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Advantages in the use of hydropower include all of the following except

A. it is renewable. B. there is little adverse impact to the land. C. it does not create carbon dioxide. D. fossil fuels are not required for its use.

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The amount of oxygen required to decompose organic matter in water is called

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