Essential vs Non-essential adjective clauses

Choose if the underlined sentence is essential or non-essential adjective clause.

Zuckerberng, who left university in 2005, is one of the richest people in USA.

• Essential

• Non-essential

Choose if the underlined sentence is essential or non-essential adjective clause.

Arturo, who is a university teacher, loves to work on online projects.

• Essential

• Non-essential

Choose if the underlined sentence is essential or non-essential adjective clause.

Internet changed the way that students look for information.

• Essential

• Non-essential

Choose if the underlined sentence is essential or non-essential adjective clause.

People who want to buy good products need to read Internet reviews.

• Essential

• Non-essential

Choose if the underlined sentence is essential or non-essential adjective clause.

The pages that I used in 2005 are basic compared to the social networks we have today.

• Essential

• Non-essential

Choose if the underlined sentence is essential or non-essential adjective clause.

Social networks, which are pages where people can communicate, have a great power today.

• Essential

• Non-essential

Choose if the underlined sentence is essential or non-essential adjective clause.

I listen to a music platform that has music from XIX century.

• Essential

• Non-essential

Choose if the underlined sentence is essential or non-essential adjective clause.

The blog that I created on Blogsspot is still available.

• Essential

• Non-essential

Choose if the underlined sentence is essential or non-essential adjective clause.

People that use Twiteer more than once never go back to Faceebook.

• Essential

• Non-essential

Choose if the underlined sentence is essential or non-essential adjective clause.

In 1998, when there wasn't any social network, people used virtual forums.

• Essential

• Non-essential