What body of water separates Great Britain from the European mainland?
English Channel
Atlantic Ocean
Baltic Sea

English Channel

Explanation:

Great Britain from the European  mainland are separated by the English Channel. English Channel is an arm of the Atlantic Ocean and is 33 kilometers (20 miles) long.

The English Channel forms the Strait of Dover that connects the Atlantic Ocean to the North Sea. The strait remain busy with ships as the route is very narrow.

Hence, the correct answer is "English Channel".

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