Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
____ 1. If the annual consumption of petroleum in the United States is about 23 barrels per capita, the total annual consumption of petroleum in the United States is closest to
a.
12 million barrels
b.
240 million barrels
c.
2 billion barrels
d.
7 billion barrels
e.
10 billion barrels
____ 2. The majority of atmospheric mercury is produced by
a.
medical waste incinerators
b.
run-off from thermometer factories
c.
compact fluorescent lightbulbs in landfills
d.
biogas digesters
e.
coal-burning power plants
____ 3. The process of extracting and separating gold in remote regions often results in environmetnal contamination with which of the following?
a.
ozone
b.
cyanide
c.
mercury
d.
carbon dioxide
e.
lead
____ 4. Which of the following metals is considered an energy resource?
a.
Uranium
b.
Colbalt
c.
Mercury
d.
Copper
e.
Palladium
____ 5. Control rods in a reactor
a.
release neutrons.
b.
absorb neutrons.
c.
reflect neutrons.
d.
slow down neutrons.
e.
accelerate neutrons.
____ 6. Natural gas from wells consists of 50% to 90%
a.
methane.
b.
ethane.
c.
propane.
d.
butane.
e.
ethanol.
____ 7. ____ is the dirtiest fossil fuel to burn.
a.
Oil
b.
Natural gas
c.
Coal
d.
Wood
e.
Biomass
____ 8. Crude oil components are separated by
a.
gravity.
b.
distillation.
c.
pressure.
d.
filtration.
e.
combustion.
____ 9. Compared to subsurface mining, surface mining
a.
is more dangerous.
b.
is more expensive.
c.
disturbs more land.
d.
produces less waste material.
e.
all of these answers
____ 10. The separation of various components of crude oil in refineries is accomplished primarily by taking advantage of differences in which of the following?
a.
the densities of the componenets
b.
the boiling points of the