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Earth’s Atmosphere

Earth’s Atmosphere. 78% Nitrogen 21% Oxygen 0.93 Argon Remaining % - Trace gases including CO 2 and water vapor. Composition:. Based on Temperature Pressure decreases with altitude. Layers of the Atmosphere . From the Earth’s surface up to 12 km Temperature decrease Supports all life

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Earth’s Atmosphere

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  1. Earth’s Atmosphere

  2. 78% Nitrogen • 21% Oxygen • 0.93 Argon • Remaining % - Trace gases including CO2 and water vapor Composition:

  3. Based on Temperature Pressure decreases with altitude Layers of the Atmosphere

  4. From the Earth’s surface up to 12 km • Temperature decrease • Supports all life • Winds increase w/ height • Moisture content decreases w/ height • All weather occurs here Troposphere

  5. From 12 km – 50 km • Temperature increases • Ozone contained here – good ozone • Very calm Stratosphere

  6. From 50 km – 85 km • Temperature decreases • Top of mesosphere coldest part of the atmosphere • Meteors burn up here Mesosphere

  7. From about 85 km – 500 km • Temperatures increase (caused by solar activity) • Warmer during the day than at night • X-rays and UV radiation absorbed here • Aurora’s (Northern and Southern lights created here) Thermosphere

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