Ethnicity and race are often used interchangeably although such use is incorrect and often results in confusion?

true or false

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.

Answer the collision of tectonic plates;