What was the main reason for air pollution in London? A. There was too much smoke in the sky. B. There were too many factories in the city. C. People burnt too much coal in the houses. D. The city was too big for the cleaners to clean.(B)57. How did the air in London ...
You know, they think, 'I could stop tomorrow' or ‘I could smoke less'. But what aboutpeople who enjoy taking big risks – those thrill seekers out there? Finn People who enjoy extreme sports actually seek out danger – it gives the...
They were happy to see that the workers had great machine(机器)to deal with the smoke before letting it out into the sky. They wanted to study hard and learn to use new energy when they grew up. They thought they could see a lot of stars smiling in the sky at night soon.(一...
"When smoke is in the atmosphere, it not only makes the sun dimmer, it increases the amount and size of particulate matter in the atmosphere that absorbs more of the shorter wavelengths, leaving longer wavelengths to reach our eyes," he explained. Why is there an air quality alert? The re...
Smoke: The smoke can be defined as a substance that is mainly made due to the burning of an object. It consists of carbon content and other gases. The main source of smoke in the environment is a factory, vehicles, and many more. ...
Finally, it would have sent up so much dust aand smoke into the atmosphere that the sky would have _22 black. For year5. it would have been 23 for plants to grow or for animals to live in this nvironment. Creatures as large as most dinosaurs had no food to eat and died.This ...
there is no smoke without fireC. a miss is as good as a mile D. actions speak louder than words 免费查看参考答案及解析 题目: Why not ___ yourself How about swimmingA.relax B.relaxedC.relaxing D.relaxes 免费查看参考答案及解析 题目: --___ tall are you ()-- I don’t know.A....
What did the sky use to be? A A. It used to be blue and clear enough to see stars. B. It used to be grey and ugly. C. It used to be beautiful and have stars in the day.5. How do factories pollute the air? A A. By burning coal and producing black smoke. B. By using ...
4) there must be a natural river within one kilometer. 5) state-of-the-art features will mitigate the dark smoke emitted from the cremators of the Crematorium and address the residents' concerns. Macau is small and densely populated, so building a crematorium in residential areas is not suit...
dust or smoke, the reflected light is scattered equally in all directions. The particles must have roughly the same wavelength size as the incoming visible light for this effect to occur. This even scattering creates the appearance of white light—a combination of all the colors on the visible...