One major way in which chlorofluorocarbons can enter the stratosphere is ____

A) from the exhaust of high-altitude aircraft
B) in an inversion
C) in building thunderstorms that penetrate into the lower stratosphere
D) from the rupture of radiosonde balloons


C

Environmental & Atmospheric Sciences

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Which of the following is not one of Latin America's best farming areas?

A. alluvial soils along the Amazon River B. pampas of Uruguay and Argentina C. lava-based soils in southern Brazil

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The aquatic ________ were porpoise-like reptiles, which probably gave birth to live young. Fill in the blank(s) with the appropriate word(s)

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The Earth's magnetic field has reversed itself many times in the geologic past. Indicate whether the statement is true or false

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The process of herding and domesticating aquatic animals is known as

A) aquaculture. B) agriculture. C) processing. D) artisanal fishing.

Environmental & Atmospheric Sciences