Highwall mining is often used when excavating an open-pit mine becomes too expensive. There are many advantages over underground mining, including the fact that it is both more cost-effective and involves less lead time.
Answer:
In the northern hemisphere, there are two places in the Sakha, Russia that vie for the honour of being considered the "Pole of Cold" in winter. These are Verkhoyansk (located at 67°33′N 133°23′E) and Oymyakon (located at 63°15′N 143°9′E)
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Answer: Coriolis, Right, left
Explanation:
Due to the Coriolis effect, the surface wind is deflected to the Right in the Northern Hemisphere, and to the leftin the Southern Hemisphere
