Floods are described by ________, the average time between floods of a given size.
A. recurrence interval
B. discharge
C. forecasting
D. lunar month
E. calendar year
Answer: A
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An interval of geologic time not represented by strata in a particular area is a(n) ____________________
Fill in the blank(s) with correct word
Why is flood hazard mapping considered an important step in floodplain management?
A) Flood hazard mapping guides appropriate development in the floodplain. B) Flood hazard mapping mandates that the floodplain should not be developed. C) Flood hazard mapping shows those parts of the urban environment that are impervious. D) Flood hazard mapping is a first step toward channel restoration.
Desertification can be caused by human activities.
a. true b. false
Electrostatic precipitators prevent fly ash from escaping by
A. Gravity B. Filtering them C. Preventing their production in the first place D. Using electrodes to give particles an electrostatic charge E. Burning the fly ash completely with electrodes