In which area does clean drinking water present the biggest problem? A-the Brazilian rain forest
B-London, England
C-Mexico City
D-Washington, D. C.

Which country is currently the most populated country in the world? a. india b. china c. mongolia d. indonesia

Many areas surrounding the caspian sea contain important a. rare minerals b. forestry resources c. gold and silver mines d. oil and natural gas fields

Chris lives in a city that experiences heavy rainfall with average annual precipitation of 882 millimeters. it is warm all year.mark lives in city with an average annual rainfall of 40 millimeters. it has hot summers and cool winters.chris's city is in a climate, while mark's city is in a climate.