The ozone layer is a region in the Earth’s atmosphere that contains high concentrations of ozone. Ozone is three molecules of oxygen bonded together, and so it has the chemical symbol O3. The ozone layer contains more than 91% of the ozone in the Earth’s atmosphere. Because it absorbs ...
The passage discusses the importance of the ozone layer. What does the ozone layer mainly protect us from? A. Cold weather B. High temperatures C. Ultraviolet rays D. Microwaves 相关知识点: 试题来源: 解析 C。解析:文章中提到臭氧层的重要性,臭氧层主要保护我们免受紫外线的伤害,选项 C 符合。
Part Of the Stratosphere: The ozone layer is a part of the earth's stratosphere, which is the second major layer of our atmosphere. Ozone is a gas made from three oxygen atoms bonded together, with the chemical formula O3. It is not abundant in the atmosphere, with only about three mole...
The ozone layer is a thin concentration of ozone gas that exists in the stratosphere. The ozone layer has been damaged in the past due to human production of chlorofluorocarbons (CFCs) and other fluorinated gases. However, due to a ban on these chemicals, the ozone layer is regenerating....
While travelling through many reasons that cause global warming, Ozone layer depletion is one of the major reasons for it. In order to know more about ozone layer depletion, we need to learn what ozone layer is. Let us dig deep into what is ozone layer, how it is forme...
细更确与目列山书照品小质山积主后或律制What happens to the ozone layer when CFCs are introduced into the
The ozone layer is a section of the Earth's atmosphere filled with molecules that block harmful ultraviolet radiation from reaching the surface. In 1985, scientists from the British Antarctic Survey discovered that ozone concentrations over the South Pol
A. Reduce the use of air conditioners B. Increase the production of plastic products C. Use more fossil fuels D. Cut down more trees 相关知识点: 试题来源: 解析 A。本题考查保护臭氧层的方法。选项 B 增加塑料制品的生产会带来更多环境问题,与保护臭氧层无关;选项 C 使用更多化石燃料会加剧温室效...
Isaac Asimov
081 This is what makes employees happy at work The Way We Work a TED series 04:11 082 What if all US health care costs were transparent Jeanne Pinder 07:05 083 What sticky sea creatures can teach us about making glue Jonathan Wilker 14:00 084 What your breath could reveal about yo...