The Kissimmee River in Florida needed restoration because of
A) channelization
B) extreme industrial pollution
C) seawall construction
D) introduction of exotic species
A
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____________________ organisms need no oxygen to survive. Fill in the blank(s) with the appropriate word(s)
Using satellites to measure water vapor in the atmosphere
A) gives excellent data about the heat radiating properties of clouds. B) only works when precipitation events occur. C) only provides data for the bottom 500-1000 meters of the troposphere. D) all of the above E) none of the above
How will melting permafrost in polar regions lead to a positive feedback loop that will continue to warm the climate, which will allow for more permafrost to melt?
A) Buried CFCs will be released from contaminants in frozen vegetation B) Methane will be released as the vegetation thaws C) Nitrous oxide will be trapped in the meltwater generated and pulled out of the atmosphere D) Carbon dioxide is sequestered in the water infiltrating the landscape
A desert consisting of a large area of sand dunes is termed a(n) ________
A) reg B) erg C) arroyo D) wadi E) salina