science
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5 defs 26 7 defs 44 6 defs 28 6 defs 23 6 defs 34 6 defs 39 3 defs 25 7 defs 22 6 defs 18 8 defs 21 5 defs 28 6 defs 24 5 defs 25 5 defs 22 5 defs 17 6 defs 27 5 defs 20 3 defs 18 6 defs 27 6 defs 29 6 defs 24 7 defs 28 6 defs 21 2 defs 27 6 defs 24 7 defs 26 5 defs 22 5 defs 31 7 defs 21 5 defs 22