GRE Questions

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Gum.

Compound word means when two or more words join together to make a single word that gives a new meaning.

Here in the options, Self-evident is the compound word.

Light travels fastest in Vacuum. The fastest thing in the whole universe is the speed of light in a vacuum like outer space. It is about 2.99 x 10⁸ m/s. 

A group of giraffes is called as tower.

Whereas

A group of ants is called as colony

A group of lions is called as pride

A group of ships is called as fleet.

The Sunglasses. 

It protects us from the sunlight and it sits on the bridge means hangs on our ears and nose. Only who keeps that can see through it and others wonder what he is watching.

A complex sentence is a sentence that contains an independent clause and one or more dependent clauses.

If two clauses are connected with a coordinating conjunction, it's a compound sentence.

If two clauses are connected with a subordinating conjunction, it's a complex sentence.

The antagonist is the negative or opposing force in a story.

It could be a human enemy, or it could be non-human, like an animal or something less tangible, like fear.

The antagonist plays an important role in story development.