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geography-lithosphere

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A	B
lithosphere	solid crust /land
biosphere	all of Earth's life forms
hydrosphere	all of Earth's water. Oceans cover about 71% of the planet
atmosphere	layer of gases
hydrolic cycle	the continuous cycle of circulation of the water between the atmosphere, the ocean and the Earth
core	the center of the Earth and is made up of nickle
mantle	surrounding the core, has several layers
crust	thin layer of rock on the Earth's surface, 19-37 miles thick

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