22. Because Russia and the Republics cover such an expanse of territory, the region A crosses 9 time zones.
C has three climate zones
B. has a poor economy
D. is very mountainous

Which statement explains what upwelling causes? a. upwelling causes tides to rise and fall. b. upwelling causes changes in the direction of currents. c. upwelling causes nutrients, minerals, and tiny organisms to rise. d. upwelling causes currents in the pacific ocean to change direction. i think the answer is c.

From the standpoint of geography, a is an internal rendering of an individual's known world

What is one early technological advance that shaped culture? a the use of fire b the discovery of arable land c family units. d migration