What is a semi periphery’s that keeps on growing

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.

Ba rock that formed 1,400 million years ago!

Answer (d) the greenhouse effect is primarily caused by car and trucks;