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The Atmosphere
| Question | Answer |
|---|---|
| the envelope of gases that surrounds Earth | atmosphere |
| water in the form of a gas | water vapor |
| the condition of Earth's atmosphere at a particular place and time | weather |
| average, year to year conditions of temperature, precipitation, winds, and clouds in an area | climate |
| a form of oxygen that has three oxygen atoms in each molecule instead of the usual two | ozone |
| contains oxygen and other gases, traps radiation that warms Earth, protects Earth from radiation and meteors | how the atmosphere makes conditions on Earth suitable for life |
| needed by plants to survive, and given off by plants and animals as waste, product of burning coal and oil | carbon dioxide |
| 21 % of the atmosphere, 2nd most abundant gas in the atmosphere | oxygen |
| nitrogen, oxygen, carbon dioxide, water vapor | important gases in Earth's atmosphere |
| 78 % of air and most abundant gas in the atmosphere | nitrogen |