51.why is there a hole in the ozone layer 602023-07 2 50.why is soil ph important to farmers 472023-07 3 49.why is soap ineffective in hard water 232023-07 4 48.why is salt added to icy roads 452023-07 5 47.why is oxalic acid used to remove rust stains 632023-07 6 46.why ...
a臭氧层保护我们免受来自于太阳的紫外线,现在臭氧层有一个洞,它由像CFCS这样的化学物质所造成,CFCs,它通常在冰箱里使用。为此,更多的人患上皮肤癌 The ozone layer protects us to exempt is come from sun's ultraviolet ray, now the ozone layer has a hole, it by looks like the CFCS such chemical ...
Hole in Ozone Layer above the Antarctic Is GrowingRead the full-text online article and more details about "Hole in Ozone Layer above the Antarctic Is Growing" by Tom Wilkie, Science Editor - The Independent (London, England), October 6, 1993By Tom WilkieScience Editor...
Scientists first found that there was a hole in the ozone layer ___. A.above Arctic during the winter in the mid-1980s B.above Antarctica during the winter in the mid-1980s C.over somewhere in the north of the equator in 1980 D.over...
61. Scientists first found that there was ahole in the ozone layer___. A. above Arctic during the winter inthe mid-1980s B. above Antarctica during the winterin the mid-1980s C. over somewhere in the north of theequator in 1980 D. over the U.S.A in the summertimein the mid-1980...
根据第三段中的Scientists firstbecame concerned about the ozone layer in the mid-1980swhen a hole was discovered in the layer above Antarcticaduring the winter.可知,科学家们在20世纪80年代就发现了南极洲上空的臭氧层空洞,因而可知观察臭氧层的历史已经超过20年了,故选C。]9.D[提示:细节理解题。根据...
从第二段最后(zuìhòu)一句“This is because the hole in the ozone layer has increased cold winds in Antarctica,making much of the continent surface colder than usual.〞可以得出答案。结果一 题目 What is the effect of the hole in the ozone layer on Antarctica? A. It is causing the ice to...
Is there still a hole in the ozone layer? Chaleephoto // Shutterstock Is there still a hole in the ozone layer? There is still a hole in the ozone layer, but it's shrinking, according to NASA. There has been a 20% decrease in the hole thanks to a ban on chlorofluorocarbons (CFCs)...
do a lot of harm to human beings in the summer-time.D. protect humans from harmful levels of ultraviolet radiation.61. Scientists first found that there was a hole in the ozone layer_.A. above Arctic during the winter in the mid-1980sB. above Antarctica during the winter in the mid-...
61. Scientists first found that there was a hole in the ozone layer___. A. above Arctic during the winter in the mid-1980s B. above Antarctica during the winter in the mid-1980s C. over somewhere in the north of the equator in 1980 D....