We can see here that in correcting the 3 grammatical errors in this text, we have:
The Channel Tunnel is a 31-mile railway tunnel that connects Folkestone in Kent with Coquelles in France. It runs beneath the English Channel at the Strait of Dover and is the only permanent transport link between Great Britain and the European mainland. At its lowest point, it is 75 metres beneath the sea bed, and at 23.5 miles, the underwater section is the longest in the world.
A grammatical error is known to be a error that is made when making a sentence either written or orally. It can be by misspelling a word or misplacing a word.
We see that the above given text has been corrected.
In the given text,
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