The place of articulation is a very important concept in phonetics.

The potential energy of this ball is proportional to its height.

His usual location is the seat at the very back of the library.

I want to travel to many countries.

He is an American.

I plan to travel to North America next year.

The American bison is a large mammal native to North America.

The jaguar is known for its strength and beauty.

The American leopard is one of the fastest running animals in the jungle.

The American black bear lives in the forests of North America.