Salt water is a homogeneous mixture or a solution.
Answer:
I think A. Warm Surface currents
Explanation:
Answer: The answer is D) A comparison of physiologic densities and arithmetic densities helps geographers understand
the capacity of land to yield food for the total population
Explanation:
Because it is to help urban people to more modern just like in city areas
This number tells us how many people would live within one square mile if the U.S. population were evenly distributed across its land area.