What You Need To Know About Energy
What do you know about energy?
Energy intensity is a measure of:
- The amount of energy used by a nation per unit of GDP
- The amount of energy contained in a given amount of fuel
- The amount of electric current passing through a point
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Correct!
Energy intensity is a measure of a nation's energy efficiency represented through energy use per unit of GDP (Gross Domestic Product).
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Sorry, that’s incorrect.
Energy intensity is a measure of a nation's energy efficiency represented through energy use per unit of GDP (Gross Domestic Product).
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Sorry, that’s incorrect.
Energy intensity is a measure of a nation's energy efficiency represented through energy use per unit of GDP (Gross Domestic Product).
What is the largest reservoir of stored solar energy?
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Sorry, that’s incorrect.
Fossil fuels represent the largest source of stored solar energy, resulting from the transformation of biomass over millions of years into oil, natural gas and coal.
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Sorry, that’s incorrect.
Fossil fuels represent the largest source of stored solar energy, resulting from the transformation of biomass over millions of years into oil, natural gas and coal.
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Correct!
Fossil fuels represent the largest source of stored solar energy, resulting from the transformation of biomass over millions of years into oil, natural gas and coal.
What percentage of commercial building energy is used by schools?
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Sorry, that’s incorrect.
School buildings represent 13% of commercial buildings energy use, or about 2.5% of total U.S. energy use (13% × 19%).
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Sorry, that’s incorrect.
School buildings represent 13% of commercial buildings energy use, or about 2.5% of total U.S. energy use (13% × 19%).
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Correct!
School buildings represent 13% of commercial buildings energy use, or about 2.5% of total U.S. energy use (13% × 19%).
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Sorry, that’s incorrect.
School buildings represent 13% of commercial buildings energy use, or about 2.5% of total U.S. energy use (13% × 19%).
In 2014, how much of the world's CO2 is released by the United States?
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Sorry, that’s incorrect.
The United States emits about 18% of the world’s greenhouse gases, behind only China, which accounts for approximately one-quarter of total global emissions.
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Correct!
The United States emits about 18% of the world’s greenhouse gases, behind only China, which accounts for approximately one-quarter of total global emissions.
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Sorry, that’s incorrect.
The United States emits about 18% of the world’s greenhouse gases, behind only China, which accounts for approximately one-quarter of total global emissions.
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Sorry, that’s incorrect.
The United States emits about 18% of the world’s greenhouse gases, behind only China, which accounts for approximately one-quarter of total global emissions.
The United States is home to how many of the world's automobiles?
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Sorry, that’s incorrect.
With less than 5% of the world's population, the United States is home to one-third of the world's automobiles.
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Correct!
With less than 5% of the world's population, the United States is home to one-third of the world's automobiles.
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Sorry, that’s incorrect.
With less than 5% of the world's population, the United States is home to one-third of the world's automobiles.
True or False: Burning biofuels does not release carbon dioxide.
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Sorry, that’s incorrect.
Biofuels contain carbon and although they may burn “cleaner” than oil-derived fuels, they do not avoid generating carbon dioxide emissions.
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Correct!
Biofuels contain carbon and although they may burn “cleaner” than oil-derived fuels, they do not avoid generating carbon dioxide emissions.
True or false? Carbon capture and storage would reduce energy efficiency of a coal plant?
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Correct!
Carbon capture and storage will reduce energy efficiency of a coal plant, though it will decrease carbon emissions.
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Sorry, that’s incorrect.
Carbon capture and storage will reduce energy efficiency of a coal plant, though it will decrease carbon emissions.
True or False: Burning coal in electric power plants is a major source of CO2 and other emissions. However, its use doesn't have negative consequences beyond the emissions caused by combustion.
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Sorry, that’s incorrect.
Mining coal disturbs the land and modifies the chemistry of rainwater runoff, which in turn affects stream and river water quality.
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Correct!
Mining coal disturbs the land and modifies the chemistry of rainwater runoff, which in turn affects stream and river water quality.
America, with 5% of the planet's population, consumes how much of the world's oil?
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Sorry, that’s incorrect.
As of 2014, total world consumption was approximately 92 million barrels per day, about 19 million or 21% of which were used by the United States.
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Sorry, that’s incorrect.
As of 2014, total world consumption was approximately 92 million barrels per day, about 19 million or 21% of which were used by the United States.
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Correct!
As of 2014, total world consumption was approximately 92 million barrels per day, about 19 million or 21% of which were used by the United States.
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Sorry, that’s incorrect.
As of 2014, total world consumption was approximately 92 million barrels per day, about 19 million or 21% of which were used by the United States.
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