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On the Trail of Dust 癒쇱���쓽 �쓷�쟻
What is as small as a speck and fly across an ocean, create rain,
or wipe out dinosaurs?The answer is right in front of your nose, It`s
also under your bed, and in outer space. In fact, dust is almost
everywhere.
�옉��� �엯�옄濡쒖꽌 ����뼇�쓣 �궇�븘�꽌 嫄대꼫硫�, 鍮꾨�� 留뚮뱾湲곕룄 �븯怨� 怨듬！�쓣 �벝�뼱 踰꾨━湲곕룄 �븯�뒗 寃껋��? �떟��� �떦�떊�쓽 肄붿븵�뿉 �엳�떎. 移⑤�� 諛묒뿉�룄 �엳怨� �슦二� 諛뽰뿉�룄 �엳�떎. �궗�떎 癒쇱���뒗 嫄곗쓽 紐⑤뱺 怨녹뿉 議댁옱�븳�떎.
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? Dust may seem to bo nothing but a housecleaning nuisance, but
without it, life on planet Earth would be much different. Actually, there
might not be a planet Earth without it. Many astronomers believe that
planets were formed from huge clouds of cosmic dust and gas that gravity
pulled together.
癒쇱���뒗 洹몄�� 吏� 泥��냼瑜� �옒�뱾寃� �븯�뒗 議댁옱�뿉 遺덇낵�빐 蹂댁씠吏�留�, 癒쇱��媛� �뾾�떎硫� 吏��긽�쓽 �떇臾쇱�� �썾�뵮 �떎瑜� 紐⑥뒿�씪 寃껋씠�떎. �떎�젣濡� 癒쇱��媛� �뾾�떎硫� 吏��긽�뿉 �떇臾쇱�� 議댁옱�븯吏� 紐삵븷 寃껋씠�떎. 留롮�� 泥쒕Ц�븰�옄�뱾��� �뻾�꽦�씠 以묐젰�뿉 �걣�뼱�떦湲� �뾼泥��궃 �뼇�쓽 �슦二� 癒쇱��援щ쫫怨� 媛��뒪濡� 留뚮뱾�뼱議뚮떎怨� 誘용뒗�떎.
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? Today, dust continues to creep into every coner of the planet. Dust
forms when water, wi���(�깮�왂)
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ls the air over Florida and other states along the East Coast. By studying
this dust and examinig satellite images, Dr. Prospero has determined
that it comes all the way from Africa. Dust storms from North Africa
rise up to 20,000 feet high, and trade winds carry the dust across the
Atlantic Ocean to the United States, he explains.
諛뽰뿉�꽌�뒗 �뿉�뼱濡쒖「��� �뜑 硫�由� �궇�븘媛꾨떎. 留덉씠�뿉誘� ����븰�쓽 ���湲고솕�븰 援먯닔�씤 Joseph Prospero 諛뺤궗�뒗 30�뀈 �꽆寃� 癒쇱��瑜� �뿰援ы븯怨� �엳�떎. �뿬由꾨룞�븞 誘몄꽭�븳 �쟻媛덉깋 癒쇱��媛� �뵆濡쒕━�떎��� �룞遺��빐�븞�쓣 �겮怨� �엳�뒗 �떎瑜� 二쇰뱾�쓽 �긽怨듭쓽 怨듦린瑜� 硫붿슫�떎. �씠 癒쇱��瑜� �뿰援ы븯怨� �쐞�꽦 �궗吏꾩쓣 愿�李고븿�쑝濡쒖뜥, Propero諛뺤궗�뒗 �씠 癒쇱��媛� �븘�봽由ъ뭅�뿉�꽌 �궇�븘�솕�떎怨� 寃곕줎吏��뿀�떎. 遺곸븘�봽由ъ뭅�쓽 癒쇱�� �룺�뭾�씠 2留� �뵾�듃源뚯�� 移섏넖�븘, 臾댁뿭�뭹�쓣 ���怨� ����꽌�뼇�쓣 嫄대꼫 誘멸뎅�쓣 嫄대꼳�떎怨� 洹몃뒗 �꽕紐낇븳�떎.
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? In South America, dust carries nutrients such as phosphates to replenish
the soil along the Amazon River. Dust even helps to fertilize the oceans,
by carrying iron into the water to nourish the phytoplankton, the food
base for all the ocean`s creatures.
�궓誘몄뿉�꽌�뒗, 癒쇱��媛� �븘留덉〈 媛뺢���쓽 �넗�뼇�뿉 �씤�궛怨� 媛숈�� �옄�뼇遺꾩쓣 �궇�씪以��떎. �떖吏��뼱 癒쇱���뒗, 紐⑤뱺 諛붾떎 �깮紐낆쓽 湲곕낯 �쓬�떇�씤 �뵆�옉�겕�넠�뿉 �쁺�뼇�쓣 �젣怨듯븯�뒗 泥좊텇�쓣 �떎�뼱 �샂�쑝濡쒖뜥, 諛붾떎瑜� 湲곕쫫吏�寃� �븯湲곕룄 �븳�떎.
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? Dust that sett
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