1) A -
The energy in biomass,
wind, solar
energy, and fossil
fuels originally came from the sun.
2) D - Electrical
energy can be produced from all three: mechanical energy, chemical energy,
and radiant energy.
3) C - Heating
and cooling rooms consumes the most energy in the American home each year.
4) A - Petroleum
gives the U.S. most of its energy?
5) B - They
are formed from the buried
remains of plants and tiny animals that lived hundreds of millions of years
ago, long before the first dinosaur walked the earth.
6) C - Petroleum.
7) B - It's
portable.
8) D - The
transportation sector consumes most of the nation's petroleum.
9) A - Pipelines
transport most of the natural gas.
10) C - Carbon
dioxide given off by burning fossil fuels is focused on as a contributor
to global warming.
11) C - Renewable
fuels can be replenished by nature in a short period of time.
12) D - Hydropower
provides more energy than any other renewable fuel source.
13) C - Electrical power
or electric charge moves to provide electricity.
14) A - 33%
efficiency rating.
15) B - Uranium
atoms split and give off heat energy.
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