What is the annual probability that a 100 year flood will occur on a stream?
A. 1%
B. 10%
C. 100%
D. No way to know
A. 1%
You might also like to view...
A bowling ball rolls off the edge of a table at a speed of 10 m/s. One second later its velocity is about
A. 14 m/s. B. 10 m/s. C. 20 m/s. D. none of the above
If the rate of groundwater recharge exceeds the rate of withdrawal, regional water tables may be lowered.
Answer the following statement true (T) or false (F)
Future reliance on energy technologies such as tar sands, shale oil, and nuclear power would be a violation of the ____ principle.
A. reversibility B. net energy C. precautionary D. prevention E. humility
What is a water table?
a. A boundary between an unsaturated zone and groundwater. b. An impermeable rock mass that stops percolating water. c. A relatively high location of the unsaturated zone in the soil. d. An isolated geologic feature that slowly stores water over time. a. A boundary between an unsaturated zone and groundwater.