Photovoltaic cells are ________
A) devices that directly convert fuel to electrical currents
B) batteries that fuel automobiles and buses
C) devices that directly convert sunlight to electrical currents
D) batteries that derive energy from plant material
E) devices that derive energy from plant material
Answer: A
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Define sectoral transformation and then discuss its manifestation in North America. Please be certain to give an example of each of the four sectors.
What will be an ideal response?
Most crops cannot grow in ________
A) warm climates B) nutrient rich soil C) areas with seasonal temperature and rainfall patterns D) soil containing good oxygen levels E) water logged soil
Debris slides are common on slopes underlain by:
a. alluvium b. fractured bedrock c. colluvium d. sand
If one had the opportunity to walk on Triton, Neptune's largest moon, what would you observe the geysers to be spewing?
A. liquid hydrogen B. liquid water C. liquid oxygen D. liquid nitrogen