The ultimate base level for a stream is:
a. sea level.
b. the nearest lake.
c. the nearest stream.
d. the nearest spring.
e. the nearest valley.
A
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The first agricultural revolution and the subsequent transition to food-producing minisystems resulted in all of the following except
A) more settlements. B) higher population densities. C) industrialization. D) nonagricultural specializations. E) barter and trade between communities.
Fetch is ________
A) the circular pattern made by water particles when a wave passes B) a method of shoreline erosion control C) the distance between the trough of a wave and the still water level D) none of these
The highest number of game or commercial species that can be harvested in a single season without limiting growth for future seasons is the maximal sustainable yield.
Answer the following statement true (T) or false (F)
Which humidity measure describes the mass of water vapor per volume of air?
A. relative humidity B. absolute humidity C. specific humidity D. mixing ratio E. vapor pressure