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Closed System:
do not share matter but share energy in and out of a system
Open System:
Sharing of energy and matter
Atmosphere
large gaseous envelope that surrounds earth
The weather!!
Geosphere
Rocks, mountains, beaches, volcanoes ß(all ex’s)
Physical landforms
Hydrosphere
Surface Water
Oceans, lakes, rivers, groundwater
3% of hydrosphere is freshwater (rest = salt!)
Biosphere
Living things
Ex: single cell, multicell like Humans, plants, trees, etc.