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unit one
vocab
| Term | Definition |
|---|---|
| thermohaline current | deep ocean currents driven by temp&salinity |
| troposhere | where we live |
| stratosphere | extends from top of troposphere layer |
| ozone layer | in stratosphere (protects living things from uv rays) |
| mesosphere | middle, protects Earth's surface by being hit by most meteoroids |
| thermosphere | outermost layer of Earth''s atmosphere |
| exosphere | outermost layer, no definite "end" |
| greenhouse gas | gases in the earth's atmosphere that trap heat |
| warm front | warm air overtakes cold air |
| cold front | cold air moves, pushes the warm air up |
| occluded front | warm air mass gets caught between 2 cold air masses |
| stationary front | cold meets warm, but cold air doesn't have enough force to move the warm air |
| evaporation | movement of water to the atmosphere, describe as change from liquid to a gas |
| condensation | the collection of water in atmosphere in the form of clouds |
| precipitation | falling water from atmosphere in different forms depending on temperature |
| percolation | the movement of water through soil to become groundwater |
| infiltration | the process by which water on the ground surface enters the soil |
| runoff | runs along the Earth's surface and flows to rivers and streams |
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