The fruit that is grown organically is expensive. Here 'that is grown organically' is an example of _____?

The fruit that is grown organically is expensive. Here 'that is grown organically' is an example of _____?

Explanation

There are two kinds of adjective clauses:

1.       Restrictive

2.      Non-restrictive.

An adjective clause describes a noun and begins with a relative pronoun like that or which.

In this sentence it describes the fruit by specifying how it is grown.