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1A_ SCIENCE_CH5.1_Energy changes_Bk_P.90-91
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1A_ SCIENCE_CH5.1_Energy changes_Bk_P.90-91
1A_ SCIENCE_CH5.1_Energy changes_Bk_P.92-93
By: t0803, Views: 483
1A_ SCIENCE_CH5.1_Energy changes_Bk_P.92-93
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