Use the map below to identify the labeled locations. Acapulco 1. A

Tiajuana 2. B

La Paz 3. C

Mexico City 4. D

Rio Grande River 5. E

Suggest two reasons why irrigation is important for human development of the desert

Which of the following is not a challenge to instituting sound global environmental policies? a. most changes are inexpensive and easy to implement. b. elected leaders who support unpopular environmental issues often are not re-elected. c. economic considerations outweigh environmental ones in many societies. d. there is no way to enforce international environmental agreements.

Explain why the rate of urbanisation is in the way it is between developed and undeveloped countries.