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Living on the earth is rather …

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Living on the earth is rather like being at the bottom of sea hundreds of miles deep. Without the atmosphere, there would be no people or animals, birds or fishes, trees or plants. There would be no weather, winds or rain. And there would be no blue sky, no rosy sunsets or dawns. Fire would be impossible without air, for burning is the union of oxygen with whatever is burned. Nor would there be any noise, which is the vibration of air-waves against our eardrums. By day the atmosphere serves as a great sun-shade. It protects the earth from the full force of the sun by absorbing most of its harmful radiation. But for the atmosphere, the daytime temperature would rise to 230 degrees Fahrenheit, hotter than boiling water. By night, the air acts like a giant greenhouse. It imprisons the heat collected during the day and prevents it from spreading into space. Otherwise, the temperature at night would plunge to —300 degrees Fahrenheit, far colder than we could stand. Finally, the atmosphere catches and burns up, by friction, practically all the million meteors that fall each day from outer space into the earth's field of gravity. If all these meteors actually landed here, the earth's surface would be pitted and dented like the face of the moon, which has no atmosphere to stop them. A) Find the word from the passage which means 'checks
  • 2 answers

Pallavi Mustapure 2 years, 11 months ago

Lessons names 7 english book

Sia ? 2 years, 11 months ago

prevents

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