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A view of the earth
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DIAMETER EQUATOR
12,756 KM
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DIAMETER POLES
12,740 KM
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SURFACE
30% LAND 70% WATER
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ROTATION
23 HOURS 56 MINUTES
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REVOLUTION
365 DAYS
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HIGH SPOT
MT. EVEREST 8848 METERS ABOVE SEA LEVEL
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LOWEST SPOT
MARIANA TRENCH PACIFIC OCEAN 11,033 BELOW SEA LEVEL
AVERAGE 3795 METERS BELOW
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3 MAIN FEATURES OF EARTH
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WATER
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LAND
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AIR
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ESS
EARTH
SYSTEM
SCIENCE
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LITHOSPHERE
ROCKS
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ATMOSPHERE
AIR
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HYDROSPHERE
WATER
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BIOSPHERE
ANIMALS & PLANTS
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HISTORY OF THE ATMOSPHERE
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4 BILLION YEARS AGO
METHANE AMMONIA SOME WATER
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3.8 MILLION YEARS AGO
SUNLIGHT
REACTION FORMED NITROGEN HYDROGEN CARBON DIOXIDE
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OXYGEN
FORMED BY BLUE GREEN ALGEA
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NITROGEN
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OXYGEN
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CARBON DIOXIDE WATER VAPOR ARGON
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ENJOY THE HOMEWORK
DRAW & ID: NITROGEN CYCLE PG 185
CARBON DIOXIDE CYCLE PG 187
PROBLEM SOLVING PG 190
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PRESENT TIME
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LAYERS OF ATMOSPHERE
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TROPOSPHERE
WHERE WE LIVE
WHERE WEATHER OCCURS
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STRATOSPHERE
COLD -60 DEGREES
OZONE
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MESPSPHERE
-100 DEGREES
METEORS BURN UP IN THIS AREA
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THERMOSPHERE
HEAT SPHERE 2000 DEGREES PARTICLES
MOVING QUICKLY CREATE HEAT
ABSORB ULTRAVIOLET LIGHT
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exosphere
Upper thermosphere
Artificial satellites in area
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ionosphere
Lower thermosphere
Radio waves Bounced off of ions
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magnetosphere
Area extending around atmosphere
Traps deadly radiation