He decided to study abroad in America.

He is an international student from America.

He is a first-class chef.

Many types of fish inhabit this river basin.

This electrical appliance requires a direct current power supply.

The false rumor hurt his reputation.

A fermion is one of the fundamental constituents of matter.

Due to the influence of ocean currents, the distribution of marine life can change.

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

The water of this river is muddy.