Question

1. why are the Prairies known as the 'Granaries of the world' ?
ans. The use of scientific methods of cultivation and use of tractors, harvesters and combines has made this region a surplus food producer, this is why, Prairies are called 'Granaries of the world'..​

Answer 1

The use of scientific methods of cultivation and use of tractors, harvesters and combines has made this region a surplus food producer, this is why, Prairies are called 'Granaries of the world'..

hope it helps you