Describe the temperature, oxygen level, and nutrient level of water in the source of a river:
Ans: High oxygen content, low nutrient leves, and cold water temperatures
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The rerouting of the Mississippi to increase the efficiency of movements of steamboats and barges was the result of the
A) Industrial Revolution. B) Medical Revolution. C) Green Revolution. D) Environmental Revolution.
It would be ineffective to attempt to prevent lead poisoning by ____.
A. phasing out waste incineration B. banning the use of lead pencils in schools C. banning lead glazing on ceramic ware used to serve food D. banning the use of lead solder E. phasing out leaded gasoline worldwide
The Precipitation Radar, located onboard the TRMM (Tropical Rainfall Measuring Mission) satellite, is able to measure rainfall intensity in previously inaccessible regions of the tropics and subtropics, and is capable of detecting rainfall rates down to about ____ per hour
a. 0.1 mm (0.004 in.) b. 0.3 mm (0.01 in.) c. 0.5 mm (0.02 in.) d. 0.7 mm (0.03 in.) e. 0.9 mm (0.04 in.)
In a systems model, movement of energy or matter into the system is a(n):
a. subsystem. b. output. c. input. d. closed system.