Is the process in planetary formation when heavy materials sink toward the planet's center and lighter materials accumulate near its surface. a. differentiation b. orogeny c. superposition d. ratification

In the diagram below, ab and bc are tangent to o. what is the measure of

Witch of the following volcano hazards is made up of rocky particles about the size of a grain of sand

If we review the changes in the landscape surrounding the great salt lake in utah we can see a change in topography. look at the area to the south of the lake. what change has occurred during the last twenty-nine years? a) erosion of the hills b) an increase in marshland c) flooding of the area and the development of wetlands d) deposition of sediments and an increase in elevation