00814    a2200205   4500001000700000020001800007040003200025100002800057245003900085260001000124300004600134362000900180490001800189520031300207650001400520650001400534650002600548650001600574650001800590122173  a9781133492986  cEscola Canadense de Niteroi  aHeinle Cengage Learning10aTaking care of our earth: workbook  aChina  a16 p.c9 x 0.12 x 9.92 inches (paperback)0 a20120 aWorld Windows  aWorld Windows introduces young learners to essential themes and concepts in Science and Social Studies, through National Geographic photography and content. Using non-fiction readings, World Windows helps to develop young learners' fluency in English, and ignites their curiosity about the world around them. 4aPollution 4aRecycling 4aChildren's Literature 4aNon-Fiction 4aActivity Book