Why did many cities emerge along the fall line in the southern United States? a.
Mills powered by the fast-moving streams and waterfalls were built along the fall line.
b.
The high elevation and pleasant climate was attractive to many entrepreneurs.
c.
The color of the trees in autumn was rumored to attract tourists from all over the world.
d.
The rich foliage and soil attracted textile entrepreneurs to the area.

Which statements describe sustainable development? multiple answer choice -fishing does not remove more fish from water systems than can be replaced by the number of fish that will be born to replace them. -sustainable development is development that is designed to improve the economic conditions in less-developed countries. -sustainable development is mainly a regional issue. -sustainable development means water is used at a rate that won't reduce the amount available for future use. - sustainable development policies only need to be concerned with environmental protection. - trees cannot be cut down faster than the number that will be replaced by new growth.