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Questions and Answers
Which gas is responsible for trapping heat close to Earth?
Which gas is responsible for trapping heat close to Earth?
- Oxygen
- Carbon dioxide (correct)
- Methane
- Nitrogen
What happens to the heat from the Sun if there were no greenhouse gases?
What happens to the heat from the Sun if there were no greenhouse gases?
- It escapes back into space (correct)
- It is converted into oxygen
- It is stored in plants
- It is absorbed by the oceans
What are the main human activities that increase the amount of CO2 in the air?
What are the main human activities that increase the amount of CO2 in the air?
- Reducing greenhouse gas emissions
- Protecting natural habitats
- Burning fossil fuels (correct)
- Planting trees
Which of the following is true about the greenhouse effect?
Which of the following is true about the greenhouse effect?
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Which image represents what Earth would look like without the greenhouse effect?
Which image represents what Earth would look like without the greenhouse effect?
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What happens when the amount of CO2 in the atmosphere increases?
What happens when the amount of CO2 in the atmosphere increases?
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How is NASA studying carbon dioxide on Earth?
How is NASA studying carbon dioxide on Earth?
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