Because many rivers run swiftly down int mountains.
Hope that helps
Answer:
A. A perceptual region does not have any formal agreed upon boundaries. A formal region does have defining boundaries.
Explanation:
According to Geographers, the world is divided into three main different regions and it includes the following: Formal, Functional, and Perceptual regions.
The formal region is a term that describes an area that has its explicit boundaries, including widely accepted language and political process and structure
On the other hand, a Perceptual region is a term that describes an area in terms of how people or individuals see the area.
A map shows all the world and a map projection shows a curved flat surface.
Answer:
Mercury is the closest planet to the sun. Earth is the closest planet to the sun that has life on it.
B. convergent <span> boundary of two continental crusts </span>