Microbes in our digestive tract that help us digest food demonstrate a ________ association
A) benthic B) parasitic C) pathogenic D) homeopathic E) symbiotic
E
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Which is these is NOT a pillar of the Nuclear Non-proliferation Treaty (NPT)?
a. Nonproliferation. b. Reduction of nuclear weapons by 85-90%. c. Right to peacefully use nuclear power. d. Disarmament.
The amount of oxygen required to decompose organic matter in water is called
A. BOD. B. photosynthesis. C. respiration. D. DO.
Earth's main energy outputs is (are)
A) visible light. B) thermal infrared radiation. C) X-rays. D) near infrared radiation. E) ultraviolet radiation.
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.