Write whether it is a defining or non-defining relative clause: 1. This is the house that Jack built. 2. The Taj Mahal, which is one of the seven wonders of the world is in Agra.

The two phrases shown above are defining relative clauses.

Explanation:

Distinguishing a defining relative clause from a non-defining relative clause is very simple, you just need to pay close attention to the message that the drase is passing. That's because a defining relative clause is a phrase that directly defines something or someone, like the phrases shown in the question above. On the other hand, a non-defining relative clause is a phrase that does not define people directly, but only emits information about them.

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