What are the 4 major lowland plains?

The four major lowland plains are the Great Plains in North America, the Pampas in Argentina, the Indo-Gangetic Plain in South Asia, and the European Plain. These plains are characterized by their extensive flat or gently rolling terrain, fertile soil, and significant agricultural productivity. They play crucial roles in the economies and ecosystems of their respective regions. Additionally, they often serve as important areas for human settlement and transportation.