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The Epic Interactive Encyclopedia 1996
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Epic Interactive Encyclopedia, The (1996)(Epic Marketing)[non-bootable].iso
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a
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air
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1992-09-02
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307b
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10 lines
Air, a gas composed principally of nitrogen
and oxygen (78% and 21% by volume), it
surrounds the Earth. Atmospheres that are
not accelerated to more than 20% of escape
velocity (the velocity that must be reached
to escape a planet's gravitational pull) are
considered stable.
Subject by: Vince Pike