How have waterways most influenced human settlement in south asia?
a. most people live along the coast of the arabian sea and indian ocean to better conduct trade.
b. mountain passes carved by rivers have encouraged the growth of cities in the northern ranges.
c. the flood plains around the ganges and brahmaputra rivers support agriculture needed to sustain large populations.
d. isolated waterways led to the growth of major cities but cut off much of the interior from settlement.
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