A ________ is a lake occupying a bedrock depression excavated by a glacier.
A. tarn
B. kettle
C. blowout
D. monadnock
E. pothole
Answer: A
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The spill of cyanide into the Tisza and Danube Rivers in 2000 could have been prevented if
a. the computer systems monitoring the cyanide volume had not crashed b. fewer people had withdrawn water from the rivers so the overall flow rate was lower c. an earthquake warning system had been in place to warn dam managers of the impending quake that broke the dam d. the mining company had installed a stronger containment dam and a backup settling pond to prevent leakage e. a newer, more technologically sound settling pond had been in place
The polar front theory was developed by the famous explorer Magellan in the 1500s
a. true b. false
The systematic under- or over-prediction of weather phenomena is called ________
Fill in the blank(s) with the appropriate word(s).
During the March, 1993 storm off the coast of Texas, a region of ____ air in the upper air above the storm caused the rapid decrease of surface pressure leading to the development of a wave cyclone
a. diverging. b. converging. c. blowing straight from west to east. d. increasing in speed uniformly over a broad area. e. blowing from north to south.