The atmosphere is heated primarily by:
A) absorption of solar radiation. B) conduction from the ground.
C) convection from the ground. D) absorption of Earth's longwave radiation.
D
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A strong positive index for the North Atlantic Oscillation (NAO) usually means there is a ________ Bermuda (subtropical) High that results in ________ than average temperatures over the northern U.S. and Northwest Europe.
A) weaker; cooler B) weaker; warmer C) strong; cooler D) strong; warmer
Where is the widest continental shelf located?
A) The Arctic Sea north of Siberia B) The western edge of South America C) The margin surrounding the Hawai'ian Islands D) The Emperor Seamounts
When the EU entered the 1997 Kyoto negotiations, it proposed a target of a reduction of what percent below 1990 greenhouse gas emissions?
A) 10 B) 2 C) 8 D) 15 E) 12
What is the elevation of Point B?
The question is based on this contour line map with elevations shown in feet.
• North is to the top of the map.
• Streams are shown with dashed lines.
• A graphic scale for measuring horizontal distances is shown below the map.
• Estimate elevations between contour lines to the nearest half-contour interval; assume that the top of a
hill is one-half-contour interval higher than the highest contour line shown.
What will be an ideal response?