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Chapter C3
Climate
| Term | Definition |
|---|---|
| water vapor | water in the form of an invisible gas |
| humidity | the amount of water vapor in the air |
| evaporate | to change from liquid to gas |
| condense | to change from a gas to a liquid |
| precipitation | any form of water that falls to the earth from a cloud |
| runoff | water that falls onto land and drains off the surface |
| climate | the average weather conditions in an area over many years |
| infrared radiation | energy with a wavelength longer than the wavelength of light |
| greenhouse gases | carbon dioxide, water vapor, and other gases in the atmosphere that absorb infrared radiation from the earth's surface |
| greenhouse effect | the process by which gases in the atmosphere absorb heat and keep the earth warm |
| global warming | an increase in the Earth's temperature |