Marine pollution is a global issue, and all countries should cooperate to find a solution.

The United Mexican States is a country located in North America.

The United Mexican States is a country located in North America.

He is an American.

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

An American alligator can move very quietly underwater.

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

The American bison is known for its size and strength.

The New World warblers are small birds with colorful feathers.

The Humboldt squid is a large squid that lives in the deep sea.