If Earth was in a cooling trend, which process would most likely act as a positive feedback mechanism?
A) increasing the snow cover around Earth
B) increasing the water vapor content of the air
C) decreasing the amount of cloud cover around the globe
D) increasing the carbon dioxide content of the air
A
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Storms leaving the east side of the Icelandic Low and Azores High will be steered to the
A) northeast if mainly under the influence of the Icelandic Low. B) northeast if mainly under the influence of the Azores High. C) southeast if mainly under the influence of the Icelandic Low. D) southwest if mainly under the influence of the Azores High.
Meridians of longitude measure
A. positions north or south B. depths of the oceans C. positions east or west D. heights of mountains
How does the solar radiation present on a clear day contribute to air pollution? Assume sources of pollutants are present
What will be an ideal response?
Caprocks are _____
a. resistant rock layers that form the upper surface of mesas and buttes b. a crust of salt crystals accumulating on the surface due to evaporating groundwater c. hat-shaped rocks on top of thin, rock pedestals d. landforms created by eolian erosion e. areas of bedrock covered over by sand dunes