7 Questions
Which gas is responsible for trapping heat close to Earth?
Carbon dioxide
What happens to the heat from the Sun if there were no greenhouse gases?
It escapes back into space
What are the main human activities that increase the amount of CO2 in the air?
Burning fossil fuels
Which of the following is true about the greenhouse effect?
The greenhouse effect is caused by CO2 and other greenhouse gases
Which image represents what Earth would look like without the greenhouse effect?
The image on the left, with a planet covered in white ice
What happens when the amount of CO2 in the atmosphere increases?
The temperature of Earth increases
How is NASA studying carbon dioxide on Earth?
By launching satellites to measure CO2 levels in the atmosphere
Test your knowledge about carbon dioxide and its role as a greenhouse gas in Earth's climate system. Learn about NASA's research satellites and their studies on carbon movement.
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