Which of the following is not an innovation that transformed the prairie from grazing land to cropland?
a. subsurface drainage tile
b. wooden plow
c. well digging machinery
d. barbed wire
Question 2
The computer-based technology called ____ represents a marriage between computer cartography and database management.
a. spectral analysis
b. multi-spectral scanning
c. spatial analysis
d. geographic information system (GIS)
e. conformal projection