Diversions can be used for:
a. control of floodwater
b. prevention of wind erosion
c. prevention of gully erosion
d. prevention of water movement over areas cleared for construction
d
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The U.S. General Mining Law of 1872 was in effect until
a. 1873 b. 1900 c. 1950 d. 1995 e. This law is still in effect today.
Hazardous waste deposited in ponds or lagoons
a. may evaporate into the atmosphere b. may enter groundwater when there are no liners or when liners leak c. may contaminate surface water d. all of these answers e. none of these answers
Conservation biologists define a region as a biodiversity hotspot if ________
A) there is an endemic species protected by a captive breeding program B) species richness is unusually high and protection is required C) there is an unusually large number of endemic species threatened by humans D) there is an unusually large number of endemic species thriving E) there is at least one umbrella species to be protected
Which of the following is the definition of an essential amino acid?
A) any amino acid which the body needs for any purpose B) any amino acid which the body needs for proteins synthesis C) any amino acid which the body needs, but which it cannot synthesize D) any amino acid which the body needs and which it must synthesize