Question 1

The share of solar energy in the supply of electricity in the United States is approximately

Accepted Answer

A)  1 percent. 
B)  5 percent. 
C)  10 percent. 
D)  20 percent. 
A)  1 percent. 
B)  5 percent. 
C)  10 percent. 
D)  20 percent.

Question 2

If present trends in population and greenhouse gas emissions continue, the earth's surface temperature will increase by at least a catastrophic 4°C by the year

Accepted Answer

A)  2020. 
B)  2050. 
C)  2100. 
D)  2500. 
A)  2020. 
B)  2050. 
C)  2100. 
D)  2500.

Question 3

The proportion of the world's electricity that comes from wind turbines is roughly

Accepted Answer

A)  3 percent. 
B)  10 percent. 
C)  20 percent. 
D)  30 percent. 
A)  3 percent. 
B)  10 percent. 
C)  20 percent. 
D)  30 percent.

Question 4

Mercury absorbed in the body damages the nervous system and is especially harmful to unborn children. Pollution by mercury is one result of burning

Accepted Answer

A)  natural gas. 
B)  gasoline. 
C)  diesel fuel. 
D)  coal. 
A)  natural gas. 
B)  gasoline. 
C)  diesel fuel. 
D)  coal.

Question 5

International agreements thus far

Accepted Answer

A)  include binding limits on carbon dioxide emissions. 
B)  include a halt in the construction of new coal-burning power plants. 
C)  will keep average global temperatures from rising more than 2°C by 2100. 
D)  call for promises from all countries to reduce their use of fossil fuels. 
A)  include binding limits on carbon dioxide emissions. 
B)  include a halt in the construction of new coal-burning power plants. 
C)  will keep average global temperatures from rising more than 2°C by 2100. 
D)  call for promises from all countries to reduce their use of fossil fuels.

Question 6

In fracking, natural gas trapped in rock formations is released by

Accepted Answer

A)  pumping the gas out with suction pumps. 
B)  melting the rock with hot oil. 
C)  breaking up the rock with explosives. 
D)  breaking up the rock with water under high pressure. 
A)  pumping the gas out with suction pumps. 
B)  melting the rock with hot oil. 
C)  breaking up the rock with explosives. 
D)  breaking up the rock with water under high pressure.

Question 7

World energy use in 2035 is expected to be

Accepted Answer

A)  less than it was in 2015. 
B)  about the same as it was in 2015. 
C)  almost 150 percent of what it was in 2015. 
D)  about twice what it was in 2015. 
A)  less than it was in 2015. 
B)  about the same as it was in 2015. 
C)  almost 150 percent of what it was in 2015. 
D)  about twice what it was in 2015.

The share of solar energy in the supply of electricity in the United States is approximately

If present trends in population and greenhouse gas emissions continue, the earth's surface temperature will increase by at least a catastrophic 4°C by the year

The proportion of the world's electricity that comes from wind turbines is roughly

Mercury absorbed in the body damages the nervous system and is especially harmful to unborn children. Pollution by mercury is one result of burning

International agreements thus far

In fracking, natural gas trapped in rock formations is released by

World energy use in 2035 is expected to be

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Exam 4: Energy and the Future

The share of solar energy in the supply of electricity in the United States is approximately

If present trends in population and greenhouse gas emissions continue, the earth's surface temperature will increase by at least a catastrophic 4°C by the year

The proportion of the world's electricity that comes from wind turbines is roughly

Mercury absorbed in the body damages the nervous system and is especially harmful to unborn children. Pollution by mercury is one result of burning

International agreements thus far

In fracking, natural gas trapped in rock formations is released by

World energy use in 2035 is expected to be

The Scientific Method

Motion

Energy

Matter and Heat

Electricity and Magnetism

Waves

The Nucleus

The Atom

The Periodic Law

Crystals, Ions, and Solutions

Chemical Reactions

Organic Chemistry

Atmosphere and Hydrosphere

The Rock Cycle

The Evolving Earth

The Solar System

The Stars

The Universe Galaxies

Filters