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

A. BOD.
B. photosynthesis.
C. respiration.
D. DO.


Answer: A

Environmental & Atmospheric Sciences

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A kilogram relates to an object's

A. gravity. B. mass. C. force. D. weight.

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Cloud seeding

A) has never been proven to be successful. B) creates lightning that will initiate the collision and coalescence process. C) relies on warming the cloud so that water vapor will condense on ice crystals more easily. D) relies on cooling the cloud so low that water vapor will condense on ice crystals more easily.

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Over the past few hundred years, sea level as a whole has risen on Earth, at about ________ along coasts that are otherwise stable

A) 2 millimeters per year B) 5 millimeters per year C) 10 millimeters per year D) 15 millimeters per year E) 25 millimeters per year

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Today, famine is a regular event in the Sahel region of ________

A) Australia B) Central America C) Southeast Asia D) Africa

Environmental & Atmospheric Sciences