physical features and location.
100

what is a important Georgia river that forms part of the western boundary of the state.

 Chattahoochee River

200

what is a geographic boundary that separates the Piedmont and Coastal Plain regions; named for decrease in elevation.

Fall line 

300

what is the major river that is used for trade and makes up Georgia’s eastern border with South Carolina.

Savannah River

400

what are lines of latitude and longitude that divide the earth into halves.

 Hemispheres

500

what is the world’s largest land masses.

 Continent