Which of the following statements regarding floods is true?
A) A 50-year flood has a 2% chance of occurring in any one year.
B) A 50-year flood is generally larger than a 100-year flood.
C) A 50-year flood occurs more frequently than a 5-year flood.
D) A 50-year flood on one river is the same size as a 50-year flood on another river.
Correct Answer:
Verified
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Q40: For most rivers,discharge _ downstream.
A)increases
B)remains constant
C)decreases slightly
D)decreases
Q41: Discharge is expressed in units of
A)m)
B)m/sec.
C)m2/sec.
D)m3/sec.
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