Answer:
Water can occur in three states: solid (ice), liquid, or gas (vapor). Solid water—ice is frozen water. When water freezes, its molecules move farther apart, making ice less dense than water.
Explanation:
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C. Each is a center for trade and transportation. almost every major city in the states is that way, either that or a port city
Option A , angle 3 is the correct answer
Answer: B. Human systems
Explanation:
Human systems in geography refers to the relationships that humans have between themselves and the environment. They include things like political boundaries, governance, citizen welfare and trade.
Migration and Interdependence refer to how humans move from one place to another and how they depend on each other for survival. This falls under human systems as it describes humans and their movements with each other to settle in other areas and mix with other humans where in coexisting, they will be interdependent on the other.