Regional geography

Which relationship involving Pennsylvania regional geography is correctly stated?

• The Appalachian system lies entirely outside Pennsylvania.
• The Appalachian system runs diagonally across Pennsylvania from southwest to northeast.
• All Pennsylvania rivers drain through the same watershed.
• Physiographic provinces are political districts created by the state legislature.

What is the best interpretation of Pennsylvania regional geography?

• Pennsylvania connects the Atlantic seaboard with the Appalachian interior.
• All Pennsylvania rivers drain through the same watershed.
• The Appalachian system lies entirely outside Pennsylvania.
• Elevation has no meaningful connection to Pennsylvania climate patterns.

Which description of Lake Erie is correct?

• All Pennsylvania rivers drain through the same watershed.
• Physiographic provinces are political districts created by the state legislature.
• Lake Erie has no effect on northwestern Pennsylvania’s weather.
• Pennsylvania also has a Great Lakes connection through Lake Erie.