Answer:
Precambrian, period of time extending from about 4.6 billion years ago (the point at which Earth began to form)
Explanation:
Answer:
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Explanation:
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The force caused bu the wind pushing on a building is called pressure
If you could dig a tunnel right through the Earth you could theoretically free-fall to the centre of our planet in just eighteen minutes. You can’t, of course: such a tunnel would have to tolerate temperatures as high as the surface of the Sun and pressures three and a half million times greater than those at the Earth’s surface.