What weather system can grow to be as much as 1000 times larger in area than an ordinary cell thunderstorm, even large enough to cover an entire state?
A) overshooting thunderstorm
B) mesoscale convective complex
C) derecho
D) mesocyclone
B
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A loss of 15% of _____ would cause a one meter rise in sea level that would threaten millions of people and cause trillions of dollar of damage to coastal areas
a. the Antarctic ice sheet b. the Arctic ice sheet c. inland glaciers in Alaska d. Greenland's ice sheet e. Iceland's ice sheet
It is NOT true that
A) high pressure areas have downward vertical motions. B) high pressure areas are associated with clear weather. C) winds rotate clockwise around low pressure areas in the Northern Hemisphere. D) wind speeds increase as isobar spacing decreases.
Stratovolcanoes have relatively steep sides because ____
a. ?they are composed of compacted ash b. ?they are composed of strong basalt with little ash c. ?their magma has moderate viscosity so lavas flow a short distance before cooling d. ?their explosions are fast and catastrophically explosive e. ?they grow slowly, as new magma pushes them higher, often without eruption
What is a glacial trough?
A. a series of cirques B. a U-shaped valley C. a large glacial lake D. an eroded peak E. a carved saddle ridge