A country's decision about what to produce determines its economic system. O A. True
OB. False

Scientists think that convection currents flow in earth’s a. continents. b. mantle. c. lithosphere. d. inner core.

Monk's mound in cahokia is an enormous earthwork very near to the mississippi river. what do archaeologists believe it was used for?

What is the longest river in central asia, and which countries does it border