It is almost always interesting to ask whether most of the "action" comes from the few, rare events, or the many common events. For earthquakes, we saw that most of the energy is released by the few, big events. For mass movement, averaged over the land surface and over thousands of years, which moves the most material:

Which summarizes the relationship between density of an element and its distribution in earth? a. the greater an element’s density, the greater the amount of it found in the crust. b. the denser an elements is, the smaller the amount of it earth core. c. the greater an elements density, the smaller the amount of it’s found in the crust

Can someone list any possible solutions to air pollution ?

Where is the only location in the united states where you drive on the left side of the road?