In middle latitude (temperate) oceans, primary productivity is limited by ________ in the fall and by ________ in the spring
A) available sunlight; available sunlight
B) available sunlight; nutrient supply
C) nutrient supply; available sunlight
D) nutrient supply; nutrient supply
B
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When river water is used for households, what category of water use is that?
a. instream; nonconsumptive b. instream; consumptive c. offstream; nonconsumptive d. offstream; consumptive e. instream and offstream; consumptive and nonconsumptive
Which of the following set of circumstances has the greatest risk for debris flows?
a. rainfall for 8 hours with an intensity of 0.2 inches/hour in semiarid California b. rainfall for 5 hours with an intensity of 0.7 inches/hour in Contra Costa County c. rainfall for 10 hours with an intensity of 0.4 inches/hour in Marin County d. rainfall for 12 hours with an intensity of 0.5 inches/hour in Contra Costa County e. rainfall for 5 hours with an intensity of 0.7 inches/hour in Marin County
Thunderstorm tops most likely occur:
A) in the mesosphere. B) in the middle stratosphere. C) in the lower troposphere. D) near the tropopause.
Chicago, with its unparalleled transportation connections was a primary industrial center. It was also America's leading center for ________
A) Meatpacking B) Lumber producer C) Immigration processing D) Glass manufacture