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Atmosphere 1.
Question and Answer
| Question | Answer |
|---|---|
| What is albedo? | Reflectivity of surfaces |
| What is the job of a carbon sink? | They reduce the amount of carbon dioxide |
| What two gases did earth's earliest atmosphere contain? | Helium and Hydrogen |
| We have added carbon dioxide into the atmosphere throughout the burning of what? | Fossil Fuels |
| How much of the earth's atmosphere is oxygen? | 21% |
| How much of the earth's atmosphere is nitrogen? | 78% |
| Which planet has high amounts of carbon dioxide in it atmosphere and had runaway greenhouse effect and is very hot? | Venus |
| What planet has no atmosphere therefore no greenhouse effect? | Mercury |
| What changed the atmosphere and reduced the amount of carbon dioxide and added oxygen? | Photosynthesis |
| Why is our solar system unique? | It contains oxygen |