根据the animals die(动物们死了);the animals are frozen in the permafrost(动物被冻在永久冻土中);the permafrost becomes liquid(永久冻土变为液态);the animals are found(物被发现了);可知根据文章,C③④②①顺序是正确的。故选C。由于全球变暖,全世界的永久冻土正在融化。一些已经灭绝的动物,非常古老的...
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A layer of permanently frozen subsoil, reaching depths up to 5,000 feet (1,524 meters). Permafrost is found throughout most of the polar regions. The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by...
Areas with ground temperatures that remain below 0°C for more than two years are referred to as permafrost, and approximately one-quarter of the Northern Hemisphere and 17% of the Earth’s exposed land surface is permafrost. Permafrost is found in mountainous areas as well as in high-latitude...
And without the herbivore effect in the model, we found that only 50 percent of the permafrost area would remain by the year 2100. (模型中的这些食草动物大大降低了土壤温度,平均降低了1.7个百分点。这使得现在80%的永久冻土层得以保存。如果模型中没有食草动物的影响,我们发现,到2100年,只有50%的...
And without the herbivore effect in the model—relatively—wefound that only 50 percent of the permafrost area would remain by the year 2100. So we can say that the effect of theherbivores in the model leads to a fine preservation of permafrost soil.The study is in the journal Scientific ...
The Arctic's permafrost (永久冻土 ) is melting fast, That's had news, bevause zen soils store billions of tons of carbon dioside, just waiting to he relessed. Bw is thee to save the permafrost? One team of researchers thinks it may have found a possible snd big animals and herbivores...
(ice) content etc.,are analyzed.It is found that thicker humus and vegetation,fine grain soil,higher water content are the advantage for keeping lower temperature of permafrost.Contrasting to previous works in these area,it can be concluded that permafrost is degrading in the middle-east section...
nounground that is permanently frozen Related Words land soil ground Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc. Want to thank TFD for its existence?Tell a friend about us, add a link to this page, or visitthe webmaster's page for free...
2.Due, most likely, to the, uh, preservation in thepermafrost. 很可能是 永冻层起到了良好的冷冻保存作用 3.But the biggest consequence ofpermafrostmelting is found outside this town. 但是永冻层融化的最严重后果 在这座小镇之外 4.And if, as scientists fear, thepermafrostmelts, it releases inc...