Questions and Answers
Which of the following is true about the greenhouse effect?
It is caused by CO2 and other greenhouse gases
What does the picture on the left show?
Earth without the greenhouse effect
What happens when CO2 levels in the atmosphere increase?
The temperature of Earth increases
What role does the ocean play in the carbon cycle?
Signup and view all the answers
What is NASA's Orbiting Carbon Observatory 2 (OCO-2) designed to measure?
Signup and view all the answers
What is the main goal of NASA's research satellites?
Signup and view all the answers
What does the greenhouse effect do to Earth's temperature?
Signup and view all the answers
What would Earth look like without the greenhouse effect?
Signup and view all the answers
What happens when CO2 levels in the atmosphere increase even more?
Signup and view all the answers
What causes CO2 levels in the atmosphere to increase?
Signup and view all the answers
Which gas traps heat close to Earth and helps the planet hold onto some of the heat it gets from the Sun?
Signup and view all the answers
What happens when there is too much carbon dioxide in the atmosphere?
Signup and view all the answers
What do NASA research satellites like OCO-2 and OCO-3 study?
Signup and view all the answers
What is the role of plants in the carbon cycle?
Signup and view all the answers
How do animals contribute to the carbon cycle?
Signup and view all the answers
What happens if there are big increases in carbon dioxide in our atmosphere?
Signup and view all the answers
What is the main function of greenhouse gases?
Signup and view all the answers
What human activities are changing the balance of carbon in the air and in plants and the ocean?
Signup and view all the answers
What would happen if there were no greenhouse gases in Earth's atmosphere?
Signup and view all the answers
What role does carbon dioxide play in the greenhouse effect?
Signup and view all the answers