The point at which the shock originates is called?

The point at which the shock originates is called?

A. focus B. vent C. caldera D. crater Correct Answer: Option A – focus Explanation A is correct; the point at which the originates is called the origin or focus and the point on the earth’s surface directly above the focus or where the shock waves first hit the...
The point at which the shock originates is called?

The method of mining crude method oil is?

A. open cast B. underground method C. shaft method D. drilling method Correct Answer: Option D – drilling method Explanation D is correct in this method, the underground rocks sampled and tested for traces of oil when oil is discovered a well is sunk to reach it...

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