A. makes the sky look blue B. provides a lot of oxygen for us C. protects us from too much ultraviolet radiation D. keeps the E. arth warm 相关知识点: 试题来源: 解析 C。解析:臭氧层对地球非常重要,因为它保护我们免受过多紫外线辐射。A选项使天空看起来是蓝色的是大气散射等其他原因;B选项...
根据首段中的“A new film and mobile game created for the United Nations are aiming to help young people understand the challenge of protecting the ozone layer.(为联合国制作的一部新电影和手机游戏旨在帮助年轻人了解保护臭氧层的困难。)”可知,联合国创作这部电影和手机游戏旨在帮助青年人理解保护臭氧层...
Geology plays a significant role in our society. It has several applications in our society as; Evaluate risk: The geology helps us in evaluating the... Learn more about this topic: Geological Features | Definition, List & Examples from ...
“The protection of the ozone layer cannot be considereda done deal. It must be a continuous effort by us and by future generations,” says Megumi Seki, from the United Nations’ Ozone Secretarial department, which created Reset Earth. “If our children learn about the grim consequences of a...
The ozone layer in the outer atmosphere is environmentally important because it . A、Shields the Earth from UV light radiation B、Reduces the concentration of toxic chemicals in the atmosphere C、 Reduces the Earth's
The ozone layer is important for protecting life on earth. What can damage the ozone layer? A. Water vapor B. Oxygen C. Chlorofluorocarbons D. Nitrogen 相关知识点: 试题来源: 解析 C。解析:氯氟烃会破坏臭氧层。选项 A 水蒸气对臭氧层没有破坏作用;选项 B 氧气是维持生命的重要物质,对臭氧层无...
The ozone layer is very important for protecting the Earth from harmful ultraviolet rays. What has damaged the ozone layer? A. Using solar energy B. Releasing chlorofluorocarbons (CFCs) C. Recycling plastic bottles D. Saving water 相关知识点: ...
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aGlobal warming, ozone layer destruction all these show that more and more serious environmental problems. Exhaust emission is one of the important sources of pollution. Nowadays more and more people realize the importance of environmental protection. It can be seen in Figure 1.1 new energy automobi...
Ulva prolifera, a type of macroalga found in the intertidal zone, is intermittently exposed to UVB. Alternative oxidase (AOX) plays an important role in plants under stresses. This research examines the changes in AOX activity and the relationships among AOX, photosynthesis...