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3 Water and Life 1

3 Water and Life 1 - Western Australia 2001 ~ 4.3 bya...

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Water and Life Water and Life
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How large is the earth? Radius: 3986 mi (4000 mi) Diameter: 7973 mi (8000 mi) Circumference: 25,048 mi (25,000 mi) 400 billion billion gallons 326 million mi 3 Volume of Water:
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Zircon Crystals Earliest Evidence of liquid Water on Earth Earth’s oldest terrestrial materials
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Unformatted text preview: Western Australia, 2001 ~ 4.3 bya Pillow Lavas 3.5 bya Basaltic Extrusive Rock Earth’s Mantle Asteroids Comets Sources of Earth’s Water Setting the stage for the evolution of life Water is an essential precursor to life....
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