2. A - Pacific Ocean B - Gulf of Mexico C - Atlantic Ocean

4. A - Appalachian Mountains B - Sierra Nevada C- Rocky Mountains D - Cascades

6. A- Pacific Coast B – Rocky Mountain Region C- Interior Plains Region D - Appalachian Mountain E - Coastal Plains

8. A - Missouri River B - Mississippi River C - Ohio River D - St
A - Missouri River B - Mississippi River C - Ohio River D - St. Lawrence River E - Rio Grande River

10. A – Los Angeles B – New Orleans C – Boston D – New York City E – Philadelphia F – Washington D. C.