What region of africa has no major rivers flowing through it

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.

Why would the composition of a meteorite resemble the earth's interior?

Maria is going to a hiking trip this weekend. she has been busy shopping for the trip. which of these items that she bought are a want for her?