(first correct answer gets brainiest) Why did people ultimately settle in the River Valleys in ancient times?
A. the land was only mountains around them
B. easy access to water
C. farther from other people

B.

Explanation:

Water was the life source back in those days. They always settled near rivers, or bodies of water.

increases in demand are shown by a shift to the right in the demand curve. this could be caused by a number of factors, including a rise in income, a rise in the price of a substitute or a fall in the price of a complement.

which the answer is:

b