The countries shown on the map above are often studied together as a group for all of the following reasons except that a. they have a shared history b. they are isolated from the rest of africa by the sahara desert c. their cultures have more in common with europe than they do with the rest of africa d. they have a shared religion

Which of the following planets is classified as a terrestrial planet? a. neptune b. venus c. saturn d. jupiter

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.

In the diagram below, ab and bc are tangent to o. what is the measure of