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1A_ SCIENCE_CH5.1_Energy changes_Bk_P.81-83

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1A_ SCIENCE_CH5.1_Energy changes_Bk_P.81-83

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1A_ SCIENCE_CH5.1_Energy changes_Bk_P.99-101

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1A_ SCIENCE_CH5.1_Energy changes_Bk_P.99-101

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1A_ SCIENCE_CH5.1_Energy changes_Bk_P.97-99

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1A_ SCIENCE_CH5.1_Energy changes_Bk_P.97-99

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1A_ SCIENCE_CH5.1_Energy changes_Bk_P.94-96

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1A_ SCIENCE_CH5.1_Energy changes_Bk_P.94-96

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1A_ SCIENCE_CH5.1_Energy changes_Bk_P.92-93

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1A_ SCIENCE_CH5.1_Energy changes_Bk_P.92-93

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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

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1A_ SCIENCE_CH5.1_Energy changes_Bk_P.88-89

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1A_ SCIENCE_CH5.1_Energy changes_Bk_P.88-89

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1A_ SCIENCE_CH5.1_Energy changes_Bk_P.86-87

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1A_ SCIENCE_CH5.1_Energy changes_Bk_P.86-87

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1A_ SCIENCE_CH5.1_Energy changes_Bk_P.84-85

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1A_ SCIENCE_CH5.1_Energy changes_Bk_P.84-85

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