Currents inside earth might drive plate motion.
a. vertical
c. horizontal
b. convection
d. none of the above

Which is a possible result of higher air temperatures caused by global warming? a. increase in sea level b. freezing of polar ice caps c. rapid evaporation of water in the soil d. flooding of low-lying coastal areas

On the map below, which of the following rivers is identified by blue? the huang he river the yangtze river the han river the naktong river

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.