Physical Geography of the United States

What are the major Mountain Ranges of the United States?

• Rocky Mountains, Appalachian Mountains, Sierra Nevada

• Louisiana, Mississippi, Texas

Lake Superior, Lake Michigan , Lake Huron, Lake Ontario, and Lake Erie make up the

• water system

• Great Lakes

What is the longest/largest river in the United States?

• Mississippi River
• Yukon River

How are fossil fuel formed?

• Fossil fuels are formed from the remains of ancient aliens
• Fossil fuels are formed from the remains of prehistoric plants and animals

How has tectonic activity helped create so many of the land forms in the United States?

• Tectonic activity has caused erosion, which has shaped the land forms
• Tectonic activity has resulted in the uplift of land, creating mountains and other land forms

What factors cause variations in climate and vegetation in the United States?

• The rotation of the Earth
• The geographical location and topography