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±¹Á¦µðÁöÅдëÇб³¿Í »êÇÐÇùµ¿ Çù¾à ü°á 2008/05/24
ÅäÇÃÇÇµð¾Æ Speaking Ãâ°£!!! 2008/02/25
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²ÞÀ» ½ÇÇöÇÑ ¿À¹Ù¸¶ÀÇ ºñ°á: How He Made It?
ÀúÀÚ/¿ªÀÚ : Anthony Young
¹ßÇàÀÏ : 2009-02-17
ISBN : 978-89-92850-06-3
Ã¥»çÀÌÁî/ÆäÀÌÁö : 192
Á¤°¡ : 6,900 ¿ø
What is the role of carbon dioxide in warming?
When Erik the Red first arrived in Greenland, the fertile green land was perfect for farming. But within a few centuries the thriving Viking settlements had been wiped out by global cooling.
How competition drives innovation.
Today, the budding private space tourism industry is attracting entrepreneurs, investors, and would-be adventurers who hope to be among the first private space travelers.
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