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来源:百度知道 编辑:UC知道 时间:2024/05/18 05:21:36
老师让找一个有关地震形成与逃生的英文文章~~~~~明天演讲 急用!!!!!请各位哥哥姐姐帮忙给一篇吧。谢谢了!!!!!

Modern science gives us some rational explanation, but it too shows us just how small we really are.

Earthquakes happen because on a vast and low scale the entire surface of planet is in motion.

The earth crust is divided in the broad of pieces called tectonic plates, floating above the liquid mantel hundreds of miles below.

These tectonic plates are constantly moving, driven by the convection cruuent of mantel. The movement is incredibly slow, about half inch per year, or just about the speed of the finger nails grow. In some parts of the world the plates collide, one plate lies under or past the other. The immense forces push up the crust forming mountains and volcanos.

95% of all earthquakes happened along the boundaries between the tectonic plates.

Wherever they happen the causes of the earthquakes are the same. When two tectonic plates move against each other, there is enormous friction along the line between them kn