/u/Snaz5's posts
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Why does the carboniferous period have a mean surface temp equal or lower than today, when it had 2x the atmospheric CO2?
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If you had a hypothetical indestructible submarine that was pressurized and could drill thru solid rock and you drilled right to the exact center of the earth, how would gravity act on you at that center?
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How often, if basically ever, did/do tank and vehicle crews have to resort to using their personal weapons?
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