Clauses and Complex Sentences

After we made the last turn, we reached the mountain.

• complex

• not complex

We wanted to see the mountain because it is so majestic.

• complex

• not complex

A mountain is higher than the area around it.

• complex

• not complex

The taller mountains reach into the colder layers of the atmosphere.

• complex

• not complex

Since the mountain slope is so gentle, it is perfect for skiing.

• complex

• not complex

Mountains take millions of years to form.

• complex

• not complex

A mountain can form when Earth's crust bends.

• complex

• not complex

Unlike mountains, the plains are low and flat.

• complex

• not complex

Because they are low-lying areas, plains can flood easily.

• complex

• not complex

Plains may be surrounded by small hills or mountains.

• complex

• not complex