science
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7 defs 72 5 defs 68 7 defs 77 7 defs 85 6 defs 69 5 defs 65 4 defs 72 11 defs 83 5 defs 55 5 defs 60 7 defs 64 6 defs 55 6 defs 62 5 defs 61 7 defs 55 7 defs 59 7 defs 62 6 defs 60 6 defs 62 7 defs 64 3 defs 56 6 defs 59 6 defs 48 5 defs 53 7 defs 56 5 defs 65 2 defs 66 6 defs 46 3 defs 54 5 defs 49