Around the world, photovoltaic technology is quickly being adopted to generate electricity in
A) large-scale commercial power plants and on rooftop home units.
B) large-scale commercial power plants but not yet on rooftop home units.
C) rooftop home units but not large-scale commercial power plants.
D) small electronic applications such as calculators but not yet on rooftops or in commercial power plants.
A
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The main method for disposing of municipal wastes in the United States is ________, while ________ is the main method in Japan.
A. Landfilling; incineration B. Recycling; incineration C. Landfilling; recycling D. Incineration; recycling E. Recycling; landfilling
An erosional surface between a plutonic igneous or metamorphic rock and sedimentary (or volcanic) rock is called:
a) disconformity b) basal conglomerate c) nonconformity d) angular unconformity e) marker horizon
How big was the meteorite that apparently caused the Cretaceous-Tertiary mass extinction?
A) 1 km B) 10 km C) 100 km D) 1000 km
Figure 3.9 Natural capital: The main components of an ecosystem are energy, chemicals, and organisms.
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In the accompanying figure, notice that heat is lost by each component of the ecosystem, and that the sun is shown entering at only one point in the system. Explain how this is representative of the second law of thermodynamics.
What will be an ideal response?