1.What are the 4 economic activities and provide an example of each 2.What are the 3 main economic systems?

3.Why do geographers look at the economic activities and systems of different areas?

Who were the kelvin-rus? describe who influenced them.

Mexico city is an example of how humans alter their environment because it was a. one of the world’s largest cities b. built on drained and filled lake beds c. built after conquest by the spanish d. once the capital of the aztec empire

Michigan geography riddle: a city that is a fight a stream