Milankovitch cycles describe variation in Earth’s ________.

Distinctive rock sequences on South America terminate at the Atlantic Ocean but reappear on the continent of ________.

Where can icy bodies left over from the protoplanetary disk that formed our Solar System long after the Big Bang be found?

The San Andreas Fault zone in California is an example of a ________ plate boundary.

The color of a mineral in powdered form is termed ________.

With increasing distance from a mid-ocean ridge, the age of oceanic crust ________.

Volcanoes that have submerged beneath the surface of the sea are termed ________.

Mid-ocean ridges (MORs), which are the sites of new oceanic crust formation, are linear mountain chains that run along divergent plate boundaries. Why does an MOR sit up higher than the surrounding oceanic crust?

In uniform sediments with a relatively constant and gentle slope at the surface, a ________ drainage network is expected.

Which environment would most likely produce sedimentary deposits characterized by very well-sorted, very well-rounded grains that are nearly pure quartz?