Answer:
scientist can tell by observing the seismic waves that are recorded all over the surface of the earth from distant earthquakes
Explanation:
B? Human population are sometimes concentrated in areas that are lacking resources
Because some states refused to ratify the Articles of Confederation.
Answer:
Slab pull is that part of the motion of a tectonic plate caused by its subduction. ... Plate motion is partly driven by the weight of cold, dense plates sinking into the mantle at oceanic trenches. This force and slab suction account for almost all of the force driving plate tectonics.