The most populous city in north africa/southwest asia is:
a. cairo
b. istanbul
c. tehran
d. bagdad e. khartoum

Where was oil production at its highest in the 1980s and still remains important to the russian economy? central asia the ural mountains russian siberia the caucasus region

Hurricanes a. usually form over land b. usually intensify over land c. gain strength from ocean heat d. usually form over the poles

Which of teh following would explain the importance of the trans-siberian railroad to russia's economy? (schoology test)