FORESTRY
PLANT AND WOOD ANATOMY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the name for the “river” of high altitude wind over North America that marks the southern boundary between polar air to the north and warmer air to the south?
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Tropic of Capricorn
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Polar Jet Stream
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Tropical Jet Stream
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Tropic of Cancer
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Explanation:
Detailed explanation-1: -polar front jet stream, also called polar front jet or midlatitude jet stream, a belt of powerful upper-level winds that sits atop the polar front. The winds are strongest in the tropopause, which is the upper boundary of the troposphere, and move in a generally westerly direction in midlatitudes.
Detailed explanation-2: -Jet streams are relatively narrow bands of strong wind in the upper levels of the atmosphere. The winds blow from west to east in jet streams but the flow often shifts to the north and south.
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