Examine the map, identify what the population density suggests.
A. Population density tends to stay the same over time.
B. People are concentrated near water.
C. The highest concentration of people are near water and along trade routes.
D. The population is migrating inland.

The answer is C

Explanation:

The reason is because people will want to be near water because it's an essential part of life and it can be used to grow crops as well. Trade routes will also allow easier trading which gives people more money.

question

which are human systems?

the amazon rain forest

the appalachian trail

the george washington bridge

the himalayas

the hoover dam

the north american free trade agreement