science
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6 defs 88 6 defs 53 6 defs 102 4 defs 117 6 defs 48 5 defs 84 3 defs 91 6 defs 109 6 defs 84 6 defs 96 7 defs 100 2 defs 78 7 defs 52 3 defs 108 6 defs 47 5 defs 54 3 defs 45 3 defs 53 3 defs 45 6 defs 49 5 defs 47 6 defs 83 3 defs 80 6 defs 168 5 defs 80 6 defs 69 7 defs 68 7 defs 99 7 defs 119 3 defs 46