But now air pollution is destroying it and making a very big hole in the ozone layer. Too much harmful radiation from the sun passes through the hole and reaches the earth directly. This is very dangerous because this kind of radiation can caus...
072 Our dangerous obsession with perfectionism is getting worse Thomas Curran, 视频播放量 48、弹幕量 0、点赞数 0、投硬币枚数 0、收藏人数 2、转发人数 2, 视频作者 八景外刊精读, 作者简介 北京理工大学硕士外刊精读考研真题精讲点赞 收藏 分享 关注,领取百度
New directions: how dangerous is ozone? Atmos. Environ. 39, 4607-4608.Cvita{, T., Kezele, N., Klasinc, L., McGlynn, S. P. and Pryor, W. A. (2005): New Directions: How dangerous is ozone?, Atmos. Environ., 39, 4607-4608....
T he sun's summertime rays are more dangerous than once thought.A team of scientists from 80 nations recentlyreported to the United Nations that a layer ofozone(臭氧层)in the atmosphere, which protects humans from harmful levels of ultraviolet紫外线)radiation, will be thinner over the United ...
Damage to Ozone layer Gets Worse In the middle of winter, when snow isfalling in many parts of the United States, scientists have sounded a warningto people who plan to spend many hours in the sun this summer. The warning is:The sun’s summertime rays are more dangerous than once thought...
根据“We humans have lived on the earth for only 35,000 years”可知,我们人类在地球上只生活了3.5万年,故选A。【小题2】推理判断题。根据“Around the earth, there’s a special kind of oxygen called “ozone”. Now air pollution is destroying it and making a very big hole in the ozone ...
In school we learned a bit about ozone protection and to be honest, I still feel like it is a complicated matter. Humans aren't the only culprits behind ozone depletion, as science has shown that volcanic eruptions can also cause problems in the upper atmosphere. ...
The sun's summertime rays are more dangerous than oncethoughtA team of scientists from 80 nations recently reported to theUnited Nations that a layer of ozone in the atmosphere,which protects humans from harmful levels of ultraviolet(紫外线)radiation, will be thinner over the United States this...
T he warning is: T he sun's summertime rays are more dangerous than once thought. A team of scientists from 80 nations rece ntly reported to the United Nations that a lay er of ozone (臭氧层) in the atmosphere, which protects humans from harmful levels of ultrav iolet(紫外线) ...
Damage to Ozone Layer Gets Worse In the middle of winter, when snow is falling in many parts of the United States, scientists have sounded a warning to people who plan to spend many hours in the sun this summer.The warning: The sun"s summertime rays are more dangerous than once thought...