13 terms

earths life support system

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four major components of earths life support system
atmosphere
hydrosphere
geosphere
biosphere
atmosphere
troposphere and stratosphere
troposphere
air we breathe, where the weather happens, 17km
stratosphere
contains ozone layer (O3), 17-50km
hydrosphere
water on the earth's surface in all forms
geosphere
the solid earth
rock layers
inner core
outer core
mantle
crust
biosphere
life
ocean facts
71% of earth
97% of the hydrosphere
three factors to sustain life on earth
one way flow of high-quality energy
cycling of nutrients through parts of the biosphere
gravity holds the earth's atmosphere
one way flow chart
sun > plants > living things > environment as heat > radiation to space
one way flow of high quality energy
2nd law of thermodynamics:one way
3 principles of sustainability: solar energy
cycling of nutrients
3 principles of sustainability: chemical cycling
law of conservation of matter
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