The exosphere is the outermost layer of Earth's atmosphere.

The troposphere is a part of the Earth's atmosphere, extending from the surface to about 10 kilometers.

He has a deep interest in the European cultural sphere.

Category theory is a branch of mathematics that studies structures and their relationships.

The rhizosphere plays a very important role in plant growth.

The geosphere refers to the solid part of the Earth.

I work in the capital city area.

I was born and raised in the National Capital Region.

Part of this movie is based on actual events.

Please put the book on the shelf above.