France's busiest seaport is located on the

Explain the cause for movement river valley civilization to early industrial centers

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.

What does 2[tex] {2}^{ - 4} \times {2}^{ - 2} [/tex]