Using this plot of annual peak discharge, what is the probability each year that a flood of 1,000 cubic meters per second will occur?
A) 1 in 1,000, or 0.01%
B) 1 in 100, or 1% (100-year flood)
C) Between 10% and 20%
D) More than 20%
C) Between 10% and 20%
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When the Indian plate moved northward towards the Eurasian plate, what was the result of that collision?
The elevation of the water table will rise when
A) recharge equals discharge. B) recharge is less than discharge. C) recharge is greater than discharge.
A major advantage of solar power is that ________
A) not all regions are sunny enough to provide adequate power with current technology B) there is a lack of knowledge on long?term impacts C) solar systems provide local, decentralized control over power D) cost is prohibitive even in developed countries E) pollution is high
Volcanic ash usually increases crop production after an eruption
a. True b. False