Choose the word which is different from the rest.

The answer is B. Pampas.

Grasslands, downs, prairies, and savannas are all types of temperate grasslands. Temperate grasslands are a type of biome that is characterized by a warm, temperate climate and a predominance of grasses. The main difference between pampas and the other four options is that pampas are located in South America, while the other four options are located in other parts of the world.

• Grasslands are a type of biome that is characterized by a warm, temperate climate and a predominance of grasses. Grasslands are found in many parts of the world, including North America, South America, Europe, Asia, and Africa.
• Downs are a type of grassland that is found in the United Kingdom and Ireland. Downs are characterized by their rolling hills and their abundance of grasses and wildflowers.
• Prairies are a type of grassland that is found in North America. Prairies are characterized by their flat, open landscape and their abundance of grasses and wildflowers.
• Savannas are a type of grassland that is found in Africa, South America, and Australia. Savannas are characterized by their tall grasses and their scattered trees.