![Itiseasiertofloatintheoceanthanitistofloatinaswimmingpo...]( "Itiseasiertofloatintheoceanthanitistofloatinaswimmingpo...")
- 問題詳情：Itiseasiertofloatintheoceanthanitistofloatinaswimmingpool.Doyouknowwhy?Oceanwaterisfullofsalt（鹽）—andsaltwatercanholdup（支撐）moreweightthanfreshwater.（淡水）Seeforyourself!YouWillNeed:●3cupsofwarmwater●Measuringcup●Wide-mouthedjar●Salt●Spoon（勺...
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