The correct answer is B. Prairies.
Prairies are North American grasslands that are found in the central and eastern parts of the continent. They are characterized by their tall grasses, which can grow up to six feet tall. Prairies are home to a variety of wildlife, including bison, elk, and prairie dogs.
Pampas are South American grasslands that are found in the southern part of the continent. They are characterized by their short grasses, which can grow up to two feet tall. Pampas are home to a variety of wildlife, including rheas, guanacos, and armadillos.
Savannahs are grasslands that are found in Africa, Australia, and South America. They are characterized by their tall grasses, which can grow up to six feet tall. Savannahs are home to a variety of wildlife, including lions, elephants, and giraffes.
None of the other options are correct.