Exam 3 According to the textbook, there is a finite amount of time
Part 1 of 1 – 100.0
Question 1 of 20 5.0
According to the textbook, there is a finite amount of time
that our civilization can exist based on which of the following?
A. Our civilization is based on non-renewable resources.
B. Our production of nuclear weapons will lead to mass
C. At the present birth and death rates, our population will
outgrow its capacity to feed itself.
D. Plagues and diseases from non-industrialized countries
will kill the population.
Question 2 of 20 5.0
Behind the United States, the world’s second largest emitter
of energy-related emissions is:
C. The Soviet Union.
Question 3 of 20 5.0
In the year 2000, fossil fuels accounted for __________ of
energy use while new renewable sources accounted for only __________.
A. 50%; 12%
B. 70%; 5%
C. 77%; 2%
D. 97%; 3%
Question 4 of 20 5.0
Which of the following regions has the largest crude oil and
natural gas reserves?
A. North America
B. Central and South America
D. Middle East
Question 5 of 20 5.0
According to the textbook, the world adds about __________
of CO2 to the atmosphere from fossil fuel combustion each year, whereas
sustainable, stable amounts would be about __________.
A. 6 billion tons; 1 billion
B. 4 million tons; 1 billion
C. 8 billion tons; 3 billion
D. 4 billion tons; 6 billion
Question 6 of 20 5.0
In 2006 the global oil prices reached slightly above
__________ a barrel.
Question 7 of 20 5.0
The advantages of __________ as an energy source are that it
is abundant, versatile, and inexpensive compared with other energy sources.
B. hydroelectric power
C. solar power
D. crude oil
Question 8 of 20 5.0
Which of the following fossil fuels can make a significant
contribution towards improving air quality if employed into the transportation
A. Crude Oil
C. Natural gas
D. Solar power
Question 9 of 20 5.0
During the 1990s, wind power grew at a rate of __________
while solar energy grew at a rate of __________.
A. 36%; 27%
B. 26%; 17%
C. 17%; 26%
D. 27%; 36%
Question 10 of 20 5.0
Nuclear energy provides about __________ of electricity in
the United States.
Question 11 of 20 5.0
The world’s first large-scale nuclear power plant began
Question 12 of 20 5.0
The Yucca mountain nuclear waste repository (proposed in
1988 to be located in Nevada) will not offer permanent storage of nuclear waste
until at least:
D. It began storing waste in 2007.
Question 13 of 20 5.0
According to Michael Renner, the main objective of the war
in Iraq is:
A. to Liberate Iraq.
B. to maintain a cheaper supply of oil.
C. because President Bush wanted to punish President Saddam
D. for unidentified political advancements.
Question 14 of 20 5.0
Which of the following power technologies has the highest
fuel (thermal) efficiency?
A. Fuel cell
B. Steam electric power plant
C. Nuclear electric power
D. Gas turbine electric power plant
Question 15 of 20 5.0
According to the textbook, Iceland’s proposed hydrogen
economy is driven by all of the following EXCEPT:
A. recent developments in hydrogen fuel cells.
B. the movement to combat global climate change.
C. concerns over the price and supply of oil.
D. ethnic pride.
Question 16 of 20 5.0
All of the following processes are used in biomass energy
Question 17 of 20 5.0
The technology that converts solar radiation into
electricity is called __________ energy.
A. fossil fuel
Question 18 of 20 5.0
One advantage of hydroelectric power generation is:
A. the production of high-level chemical waste but no
B. very high efficiency converting water to electrical
C. a wide range of sites for plant construction.
D. low construction costs.
Question 19 of 20 5.0
Which of the following is NOT a disadvantage of
hydroelectric power generation?
A. Dam construction causes loss of land suitable for
B. Dam construction prevents upstream migration of fish.
C. Downstream water flow becomes unpredictable and creates
D. Drought conditions can affect power production.
Question 20 of 20 5.0
The biggest roadblock for electric cars is:
A. storing the electricity needed to run them.
B. the inefficiency of the electric motor.
C. the lack of usable prototypes.
D. low-volume production.
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