# EARTH SCIENCE

i have to do a packet and i cant under stand it. it says ' sea level 10 degrees = 1 atmosphere and then i have to do tropopause ,stratapause and mesopause and the rest of it says . an atmosphere is a unit of air pressure . 1 atmosphere +average air pressure at sea leve under normal comditions. 1 atmosphere + 14.7 pounds per square inch or 29.92 inches of mercury.

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1. i messed up were i put a plus theres supposed to be =

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posted by josh
2. Please see the latest post for Anonymous.

Sra

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