landforms,”- Between the Rockies and theAppalachians, there is a huge lowlandof undulating plains that stretches fromthe Arctic to the Gulf of Mexico.- The thousands of lakes, ponds
andwetlands stretching from Minnesota toManitoba to the Atlantic were formedby thick glaciers during the ice ages.- The Atlantic coastal lowland stretches fromNew Brunswick to Florida and the Gulf ofMexico. – The Mississippi River Delta in Mississippi andLouisiana was formed over millions of years throughflooding and silt deposits. The varying landformsin North Americacontribute to its highlydiverse climate zones.”