Tropical cyclones produce the most intense low-pressure systems on earth. To develop and maintain this low pressure, what must happen aloft in this type of storm?
A) The storm must push the tropopause far into the stratosphere to maintain the low pressure.
B) A strong jet stream flow must be present to maintain the inward flow.
C) Rain must fall to force thunderstorms to collapse to keep the air circulation going.
D) A strong divergent flow (outflow) aloft must keep up with, or exceed, the inflow near the surface.
D
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What is the maximum specific humidity of a parcel of air at 25°C?
The table on the right hand side of Figure 12.1 lists maximum specific humidity values for various temperatures. You can also use the table to find dew-point temperatures, if you know how many grams of water vapor per kilogram of air are present. What will be an ideal response?
The three supercontinents that existed in the Late Proterozoic were East Gondwana, Laurasia,
and Pangaea. Indicate whether the statement is true or false.
Which strategy could be an agent of change that contributes to more sustainable living?
A. increased product consumption B. environmental literacy C. proliferate use of natural capital D. less stringent pollution controls E. diminished dependency on wind energy
Human caused eutrophication is known as
A) oligotrophication. B) mesotrophication. C) cultural eutrophication. D) anthropotrophication.