Why is a longer historical record of peak discharge preferred for a given river when determining the
statistical recurrence interval for flood events? What will be an ideal response?
Short records may not include less frequent large flood events. As a result, there is a danger of
underestimating the size of future events and their recurrence intervals.
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“Humans are part of nature and need to maintain a sense of balance and limits in an interconnected world.” This statement best describes which paradigm?
a. The dominant paradigm b. The old paradigm c. The human-exceptionalism paradigm d. The ecological-social paradigm
Chestnut blight fungus kills U.S. chestnut trees because the trees ________
A) release the fungus in the leaves that fall to the ground and the fungus is absorbed in the soil B) are hosts to the vectors of the fungus C) have not matured long enough to survive D) release the fungus into the soil and it is drawn up in the roots E) have not coevolved with the fungus
According to the data shown here, which piece of paper is most likely going to be recycled?
A) a sheet cut into 16 pieces B) both of the cut sheets C) a sheet cut into 8 pieces D) an uncut sheet E) They are all equally likely.
Pyroclastic flows ____
a. ?can be protected against in the basement of structures b. ?are rarely generated in volcanic eruptions c. ?move slowly enough to be avoided d. ?cannot move across bodies of water e. ?can reach temperatures so hot that they glow