North America can be divided into three parts according to the relief. The northern and central parts of the mainland are occupied by plains, the Appalachian mountains are located in the south-east, and the Cordillera mountain structures dominate in the west.
The largest landforms in North America are plains. A large role in the formation of such a relief was played by the glacier.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.