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.
Answer:
the concept that best represents the situation described here is: Thermal runaway or positive feedback. Higher atmospheric temperatures cause glaciers
Explanation:
Answer:
In comparison to the australopithecines, the early humans had smaller teeth, especially the molars and premolars. This suggests that they mostly ate softer foods. ... The modern human body size and limb proportions began to appear with the next species in our evolution--Homo erectus.
The metamorphic rocks are marble, slate,gneiss and anthracite.
Answer:
Explanation:
Stress causes the build up of strain, which causes the deformation of rocks and the Earth’s crust. Compressional stresses cause a rock to shorten. Tensional stresses cause a rock to elongate, or pull apart.