Lesson 31 & 32 Flashcards
(26 cards)
smelt
to melt ores in order to remove impurities
What River is Pittsburgh, Pennsylvania on?
“forks of the Ohio,” where the Allegheny River joins the Mononghala to create the Ohio River
Coke
coal from which most of the gasses have been removed by heating, and it burns with little smoke. and lots of heat.
sun belt
the states of the south and southwest with a warm, sunny climate.
Rust belt
the states of the midwest and northeast where there has been a decrease in steel and car production
why was pittsburgh a successful city in the 1800
Tennessee Valley Authority (TVA)
a federal corporoation organized in 1933, to provide cheap electric power, flood control and irrigation by building dams, and reservoirs along the Tennessee river
slash and burn agricultar
the practice of clearing fields for agricultar by cutting down and burning all vegetation
name some good agricultar technieces and not so good ones
1 use of fertileser and lime, and crop rotation.
2 slash and burn agricultar
what product is produced in Pittsburg that comes from the iron ore deposit in the area?
steel
what is smelting?
melting ore to remove impurities
what are three things that the TVA does not benefit to the region
1 to conserve natural resources
2 provide electricity
3 to help prevent floods
what is the theory of Pangaea
that all continents were stuck together in a single land mass called Pangaea
in what part of of a cavern do you find stalactite
ceiling
in what part of a cavern do you find stalagmite
floor
true of false Asia is the largest continent by land area.
t
t or f Asia is the most populous continent
t
what is the highest point n Asia and worldly
MT Everest
what is the lowest point in Asia and worldly
dead sea
is lake Baikal the deepest lake?
yes
does lake Baiklal have more water than all the great lakes combined?
yes
what religion is dominant in the middle east the Caucasus, and central Asia.
Islam
