united states: physical geography

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which of the following best describes total petroleum consumption in the united states from 1950 to 2000?
it increased over the years, except for one significant period of decline in the mid-1970s and another decline from the late 1970s into the 1980s
the physical geography of the united states
is amazingly beautiful and complex
how is the coast of the southeastern united states different from the rest of the country ?
it has moist subtropical climate
what is the piedmont?
it is a region of rolling hills , rising from the gulf coastal plain to the appalachian mountains
why is the location of the continental united states said to be mid-latitude?
because the united states latitude range is close to the mid-point between the equator and north pole
in the terms of its energy supplies , united states can be said to
have used large amounts of its fossils fuels , but it still has large reserves
whats is the significance of the 100 degrees W longitude line ?
it is used as the eastern boundary of the great plains
from which country does the united states import the greatest amount of petroleum
canada
why does desert exist in the southern united states ?
the western mountains block moist air from the pacific ocean
which is the principal river of the united states ?
mississipi
the columbia river
originates in british columbia and flows thorugh gorges it created to its mouth in the pacific near portland, oregon
what is located on the borders of the continental contiguous united states ?
the atlantic ocean on the east , pacific on the west gulf of mexico and mexico on the south; canada on the north
what is the longitude range for the contigous portion of the united states ?
from 65 w to 125 w
which two of the three curves demonstrate a similar pattern?
imports and total consumtion
where are active volcanoes found in the united states?
alaska,hawaii, and northwestern continental states
why does much of the natural vegetation of the united states not exist anymore?
human beings have modified the landscape
what are the everglades ?
a “river of grass” in southern florida
the great lakes are unique because
together they are the largest body of freshwater in the world and they are shared by two different countries
which region of the united states is most prone to hurricanes ?
southeast
why is the colorado river important to people?
it has been dammed to provide hydroelectric power and irrigation
the curves representing domestic supply and imports of petroleum show that
domestic supply was greater than imports until 1996
hawaii differs from the other states
because it is tropical and consists only of islands
the colorado river is known for
flowing through the grand canyon
how can the topography of the rocky mountains be described
they are sleep and rugged with some peaks reaching 14,000 feet
in terms of its energy supplies, the united states can be said to
have used large amounts of its fossils fuels , but it still has large reserves
why are the appalachian mountains more rounded and shorter than rocky mountains
the appalachian have been worn down by millions of years of weathering and erosion
why does the mississipi river flood its banks
at some times of the year waters from its drainage basin exceed the capacity of the channel
which of the following is a non-renewable energy resource?
petroleum
what is the significance of the 100 degrees W longitude line ?
it is used as the eastern boundary of the great plains
why is the great salt lake salty?
it has no outlet, streams carry minerals into it, has a high rate of evaporation
from which country does the united states import the greatest amount of petroleum ?
canada
Categories: Physical Geography