منابع بازافغانستان آنتې چلوي او اندو ياده کينيس شِراونچې

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Is It True That No Two Snow Crystals Are Alike?

     
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This short resource answers the question 'Is it true that no two snow crystals are alike?'. It describes the unique formation of snow crystals and discusses the affects of atmospheric conditions on them.

http://www.loc.gov/rr/scitech/mysteries/snowcrystals.html


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لِکِکال

چرکن کيکالا

Library of Congress

جواز/ چاپس حق دارکاليى

CC 0 / public domain

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