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The top documents of june-preston
10.1 C HARACTERISTICS OF G ASES Air behaves physically as one gaseous material N 2 (78%), O 2 (21%) and Ar (0.9%) Only a few elements exist as gases.
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Government Jeopardy StudentsTeachers Game Board SenatorsRepresentatives LegislativeExecutiveJudicial Limited Gov Grab Bag 100 200 300 400 500 Government.
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