Major oceanic surface currents travel ________.

With time, a river may erode terrain to produce a low-lying plain that lies close to the base level, which is termed a(n) ________.

A majority of the melts in the Earth form through the partial melting of ultramafic mantle rock. These newly formed magmas are ________.

Which of the following figures shows a coast experiencing high tide?

Why do ocean water and sea ice have very different effects on air temperatures?

Evidence that glaciers once covered an area might include ________.

You are a coastal geologist trying to help a coastal community restore its sediment-starved beach. You decide that beach nourishment is the best option, so you order that dredge sediment from the nearest river be placed on the beach. The sediment is 70% silt and 30% sand. What will be the effect of using this sediment?

Geological evidence suggests that many millions of years ago, the Amazon basin drained toward the west rather than the east. What caused this drainage reversal?

The volcanoes of the Cascades Mountains in the northwest United States are related to melting of rock associated with a ________.

According to the currently accepted scientific model, which of the following is NOT correct about the formation of the Moon?