The jet streams in the United States generally flow from west to east because of
A) ocean currents off the Pacific and Atlantic coastlines.
B) convection currents between the troposphere and stratosphere.
C) rotation of the Earth.
D) high pressure systems generated by the sun striking the North American continent.
Question 2
Examining your flight plans for a trip from Atlanta, Georgia, to Seattle, Washington, and back, you notice that the total time in the air for the flight to Seattle is much longer than the flight back to Atlanta.
Then it occurs to you that this is probably because of the impact of A) the jet stream.
B) several weather fronts along the way.
C) the mixing of the troposphere and stratosphere.
D) changes in time zones as you fly between the east and the west.
Measures of ocean chlorophyll-a concentrations from part of Atlantic Canada in (a) January 2006, and
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