SCIENCE
ENVIRONMENTAL SCIENCES
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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40%
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60%
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80%
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75%
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Detailed explanation-1: -The large-scale burning of fossil fuels causes serious environmental damage. Over 80% of the carbon dioxide (CO2) generated by human activity comes from burning them: around 35 billion tonnes a year, compared to 4 billion from land development.
Detailed explanation-2: -Carbon dioxide Fossil fuel combustion (burning) for energy accounted for 73% of total U.S. GHG emissions and for 92% of total U.S. anthropogenic CO2 emissions.
Detailed explanation-3: -Coal is not 100 percent carbon: burning a pound of coal emits 2.07 pounds of CO2.
Detailed explanation-4: -When fossil fuels are burned, they release large amounts of carbon dioxide, a greenhouse gas, into the air. Greenhouse gases trap heat in our atmosphere, causing global warming.
Detailed explanation-5: -Burning 1 kg of bituminous coal will produce 2.42 kg of carbon dioxide.