The most advanced stage of tropical reef formation is exhibited in ________.

The most massive form of igneous intrusion is a ________.

Research since the 1970s has identified the cause of plate tectonics to be ________.

________ is granular snow which is beginning to coalesce into glacial ice.

The existence of a stream terrace is sure evidence of ________.

The movement of sand parallel to the shore ________.

Compared to places at lower elevations, highland climates are usually cooler and ________.

As one approaches the equator, the angle of incidence ____ and the atmosphere attenuation ______.

Af and am climates form a discontinuous belt astride the ________.

A wet monsoon is associated with high rainfall totals and is caused by ________.

A sandbar that completely crosses a bay, sealing it off from the open ocean is a ________.