Explanation:

- Option 1, Pampas:

- Found in South America, specifically Argentina and Uruguay.

- Known for its fertile soil and is largely used for agriculture.

- Option 2, Prairies:

- Found in North America.

- Known for their fertile soil, ideal for farming and agriculture.

- ?? Correct Answer.

-

- Option 3, Down:

- This term is not typically used to describe grasslands found in North America.

- Typically refers to rolling hills and grasslands in southern England.

- Option 4, Velds:

- Found in South Africa, not North America.

- Known for grassland plateaus.

- Option 5, Savanna:

- Normally associated with Africa and Brazil, and characterized by grassland with scattered trees.

- Only Prairies are North American grasslands. Therefore, Option 2 is correct.