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Sekas Chapter 1

Earth's Systems and Interactions

TermDefinition
Earth system all of the matter, energy, and processes within Earth’s boundary
interaction the action or influence of people, groups, or things on one another
biosphere all the parts of Earth where there is life
geosphere Earth's solid and molten rocks, soil and sediment
hydrosphere the system containing all the solid and liquid water on Earth
atmosphere the layer of gases surrounding Earth
troposphere the atmospheric layer closest to Earth's surface
ozone layer a layer within the stratosphere that scatters and absorbs ultraviolet waves from the Sun
greenhouse effect the process by which gases in the atmosphere, such as water vapor and carbon dioxide, absorb and give off infrared radiation (heat)
water cycle the continuous movement of water on, above, and below Earth's surface
evaporation the process by which a liquid, such as water, changes into a gas
transpiration the process by which plants release water vapor through their leaves
condensation the process by which a gas changes to a liquid
precipitation moisture that falls from clouds to Earth's surface
cryosphere a subdivision of the hydrosphere that includes all of the ice on Earth
Created by: brandi.sekas
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