The easy way to ielts writing academic Module

cohesion, and as they extend sentences, meeting the word limit
would not be problematic in this type of writing any longer.
For example
Paris
,
which is the capital city of France
,
is a popular tourist
attraction. (The relative clause gives additional information about the
subject, and in case it is removed from the sentence, the meaning of
the sentence would not be affected. Note that there are two commas
before and after the relative clause.)
Her mother works in an IT company
,
which is located in Germany.
(The relative clause gives non-essential information about a
workplace and could be omitted from the sentence without harming
the sentence structure or its meaning. There is a comma before the
relative clause separating it from the main clause.)