He was totally illiterate and couldn't even read the menu.

I saw the sunset at Kinmen Bay.

A new approach is needed to solve this set of problems.

The Demon Core is a very dangerous substance.

He was observing the distant birds using binoculars.

This area is rich in peridotite.

This mountain is made of tuff.

This rock is gabbro.

He is majoring in petrology at university.

The students lined up in response to the teacher's instructions.