science
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5 defs 38 6 defs 33 6 defs 34 7 defs 38 5 defs 26 5 defs 41 5 defs 25 7 defs 30 4 defs 36 6 defs 22 7 defs 30 7 defs 30 6 defs 31 7 defs 35 5 defs 26 7 defs 36 4 defs 30 6 defs 28 6 defs 32 2 defs 22 7 defs 27 4 defs 31 5 defs 24 5 defs 19 6 defs 30 3 defs 26 5 defs 29 6 defs 23 6 defs 32 6 defs 26