The worldwide use of cleaner energy sources could lead to which of the following results?

C. naturally in the environment

Master planned communities outside of chicago. note: population density means people living in an area per square mile. chicago, an urban and highly populated area has a much more higher density than a desert, amish community, settlement, or nomadic region.

Ibelieve it is- a mixed economy offers some protection for consumer rights but still allows a good deal of choice.