What is a playa?
A) a lake caused by a human dam
B) a lake caused by a natural dam
C) a lake above 8,000 feet in elevation
D) a salty, shallow lake
Answer: D
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Why do you typically find bigger rocks along the banks of a fast-moving stream and smaller rocks and pebbles beside a slower-moving stream?
A) As a stream slows, it deposits its smaller sediments first. B) As a stream slows, it deposits its larger sediments first. C) Fast-moving streams carry only large sediments. D) Slow-moving streams carry only dissolved sediments.
Why are long wavelength waves considered to be the most powerful? Consider wave base in
answering this question. What will be an ideal response?
The growth of human population worldwide over the past 1,000 years has been ________.
A. on a straight linear increase with time B. exponential, with a generally increasing growth rate C. logarithmic D. essentially zero E. exponential, with a constant growth rate
A weather ____________________ indicates that atmospheric conditions favor hazardous weather occurring over a particular region during a specified time period. A weather ____________________, on the other hand, indicates that hazardous weather is either imminent or actually occurring within the specified forecast area. Advisories are issued to inform the public of less hazardous conditions caused
by wind, dust, fog, snow, sleet, or freezing rain. Fill in the blank with correct word.