olympe ear clip small model 46182 tiffany double horseshoe clasp pendant necklace clic clac h bracelet 36587 chanel bowknot pendant baroque pearl necklace chanel large quilted black heart ring chanel dreamy star earrings necklace dior jadior paved on pearl stud earrings divas dream necklace 298079 dior jadior pearls star bracelet cartier diamond pendant necklace rivale mini bracelet6289 dupe vca perlee sweet clovers bangle medium yellow rose white gold tiffany paved diamond heart charm chain bracelet cartier full paved diamond leopard stud earrings 917660b5 5021c433 mini pop h earrings3534 ever herakles wedding band 39486 b zero1 series bracelet 112704 b zero1 series necklace 159944 chanel light gold chain wrap pearl bracelet with cc charm louis vuitton green silver monogram mens bracelet chanel coco crush rhombic diamond paved bangle bracelet van cleef arpels vintage alhambra rose gold mixed carnelian clover long necklace les infinis de n53277 dior vintage rectangle cd earrings chanel embossed monogram open cuff bangle bracelet chanel black and white round charm pearl bracelet necklace cartier intersect ring chanel coco collier necklace in yellow gold color dupe bvlgari bzero1 ring in silver with black ceramic clic clac h hermes flagship bracelet5495 vintage alhambra necklace 10 motifs 29633 olympe earrings 85216 1895 wedding band 36445 coco crush necklace2591 pure alhambra earstuds 27503 vintage alhambra long necklace 20 motifs 87640 vivienne westwood baroque pearl drop saturn earring vivi large saturn necklace bvlgari serpenti viper ring tiffany victoria pearl earrings 为什么地球会变nuan?_美丽的地球 - 棒子小说网
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为什么地球会变nuan?

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为什么地球会变暖?

我们居住的地球可算是个“大温室”,靠着大气中的二氧化碳透光和隔热,几乎完全可以让可见光透过,但对长波的红外光,特别是那些波长12-18微米的红外光,却能够qiang烈xi收,这是二氧化碳的一个特xing。这一特xing使得靠近地表大气层中的二氧化碳就像温室中的玻璃和塑料薄mo,yang光可以she1进,但热量却散she1不chu去。这zhong作用称为"温室效应",可使地表的气温升高。伴随着煤、石油、天然气等han碳燃料的大量燃烧,二氧化碳han量在大气中的增加,"温室效应"自然会增qiang,随之而来的就是地球气温的升高。据科学家们预测,今后的50年中,大气中的二氧化碳han量每增加一倍,地球气温将升高3°C。地球气候将明显变暖。

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