The close-fitting mosiac of pebbles and cobbles covering the floor of many desert regions is called:

During Pleistocene glaciation, sea level was _______ m beneath present levels. 

Steep-walled, bowl-shaped depressions formed by valley glaciers are called

What type of sediment load is transported in the air?

At their maximum extent during the Pleistocene, glaciers covered _______ of Earth’s land surface.

Temporary desert landforms that form as excess water accumulates in low-lying areas are:

Wind transports silt and clay as:

Wind-blown deposits of sand are called:

Prosimians and anthropoids live in cold, dry climates.

Throughout the Cenozoic, North America has moved: