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Questions and Answers
What does global warming refer to?
What does global warming refer to?
- The decrease in global average air and ocean temperatures
- The increase in global average air and ocean temperatures (correct)
- The cooling of the Earth's atmosphere
- The long-term variation in weather conditions
According to statistics, why is warming happening faster than ever before?
According to statistics, why is warming happening faster than ever before?
- Human activity (correct)
- Population growth and economic development
- Because of the decrease in greenhouse gases
- Due to natural causes alone
What is the 'greenhouse effect'?
What is the 'greenhouse effect'?
- The trapping of cold air around the planet
- The accumulation of ozone in the atmosphere
- The trapping of heat by gases in the atmosphere (correct)
- An increase in solar radiation reaching the Earth
What is the purpose of the ozone layer in the Earth's atmosphere?
What is the purpose of the ozone layer in the Earth's atmosphere?
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What are some man-made greenhouse gases mentioned in the text?
What are some man-made greenhouse gases mentioned in the text?
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What gas is released by deforestation and the combustion of fossil fuels?
What gas is released by deforestation and the combustion of fossil fuels?
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Which gas is produced by emissions from cars, fertilizers, and power plants?
Which gas is produced by emissions from cars, fertilizers, and power plants?
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What gas did refrigerators and aerosols release in the past but are now illegal?
What gas did refrigerators and aerosols release in the past but are now illegal?
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What happens when mountain glaciers and polar ice caps melt according to the text?
What happens when mountain glaciers and polar ice caps melt according to the text?
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What effect does global warming have on polar bears according to the text?
What effect does global warming have on polar bears according to the text?
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