In Walt Rostow's modernization model identifying the levels and stages of economic development, in what sector of the economy are most workers employed in those few countries achieving the fifth stage?
1.agriculture
2.service
3.industrial
4.extractive
5.professional

How does rain water cause erosion and deposition? a. when acidic water soaks into the ground, water dissolves limestone, resulting in the formation of caves.b. when a river overflows it moves downhill resulting in the formation of caves.c. when it rains, water flows into rivers and streams and moves back to land, resulting in the formation of caves.d. when water empties into lakes, sediment is deposited, resulting in formation of caves.