13) The conflict over the Panama Canal is an example of spatial division that has to do with
A)
control of strategic routes.
B)
domination of trade routes.
control of natural resources
D)
domination of other countries.

Geothermic gradient is the rate of increasing temperature with respect to increasing the depth in the earths interior. away from tech tonic plates boundaries, it is about 25-40 c/km (72-87 degrees f/mi) of depth near the surface in most of the world.