Answer:

The alkanes are isolated from natural gas and petroleum. Natural gas contains mainly methane, with smaller amounts of other low‐molecular‐weight alkanes. Petroleum, which is a complex mixture of many compounds, is the main source of all other alkanes.

Answer :-

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In meteorology, a cyclone is a large scale air mass that rotates around a strong center of low atmospheric pressure, counterclockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere as viewed from above. Cyclones are characterized by inward-spiraling winds that rotate about a zone of low pressure.

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