How far downstream from the sewage spill would we most likely see the return of trout and large bass to the river?
A. Point A
B. Point B
C. Point C
D. Point D
E. Point E
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According to the graph, the temperature of the stratosphere _____ as you move higher in altitude. This phenomenon can be attributed to _____.
A. decreases; increased distance from the infrared radiation being emitted from the Earth's surface
B. decreases; the cooling effect of the ozone layer on its surroundings
C. increases; decreased distance from the sun
D. increases; the UV radiation absorbed by the ozone layer
E. increases; increased density of the atmospheric layer
The diagram shows fish kills that have been linked to toxic algal blooms. Based on the lettered fish kills, which of the following is FALSE regarding toxic algal blooms?
A. Toxic algal blooms are problematic becasue they often contaminate the drinking water supplies of large cities nearby (location B).
B. Toxic algal blooms are found near river deltas that contain agricultural runoff emptying into the sea (location B)
C. Toxic algal blooms release toxins that can accumulate in the shellfish and have killed southern sea otters near
D. Toxic algal blooms tend to have negative economic impacts on fisheries at B and
E. When toxic algae die, the oxygen demand increases due to decomposition. This leads to loss of dissolved oxygen in the coastal areas like
Which of the fuel types above is best associated with the majority of electricity generation in the US from 2005 - 2012?
A. natural gas
B. solar
C. coal
D. nuclear
E. hydroelectric
What was the global wind power capacity in megawatts in 2010?
A. 2.0 MW
B. 2 MW
C. 20 MW
D. 200 MW
E. 200,000 MW
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