a natural feature of Earth's surface such as a valley, plain, hill, or mountain
Two of the largest mountian ranges in the US
Rocky Mountians and Appalachian Mountians
these cover much of the eastern United States
these cover much of the western United States
region that extends across most of the center of the United States
What is the name of the river that forms a border between Mexico and the US?
an area of grassland with scattered trees and bushes
the largest fresh water lakes.
The Great Lakes are
All of the Great Lakes
Superior, Michigan, Huron, Erie, and Ontario
the height of land above sea level
Places closer to the equator experience
means "foot of the mountain" (region)
a place where the elevation of the land drops sharply, causing rivers to form waterfalls or rapids.
The land drained by a river system.
a series of connected mountains.
the kind of weather a place has most often, year after year
a stream or river that flows into a larger stream or river
The level of the surface of the ocean.
a long period with little or no rain
The Appalachian Mountians are
the source for many rivers in the eastern US
The four main vegetation regions in US
forest, grassland, desert, and tundra
The major bodies of water in the US
factors that affect the climate of a place
distance from the equator, the distance of oceans and other large bodies of water, ocean currents, the location on the continent, and elevation
a broad area of high, mostly flat land
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