Which statement correctly compares Pittsburgh

Which statement correctly compares Pittsburgh in 1950 to Pittsburgh in 2010? (1 point)Pittsburgh in 1950 had clean air;
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Which statement correctly compares Pittsburgh in 1950 to Pittsburgh in 2010?(1 point)Responses Pittsburgh in 1950 had clean air;
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Which statement correctly compares Pittsburgh in 1950 to Pittsburgh in 2010?(1 point)Responses Pittsburgh in 1950 had clean air;
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Which statement correctly compares Pittsburgh in 1950 to Pittsburgh in 2010?
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Which statement correctly compares Pittsburgh in 1950 to Pittsburgh in 2010
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Which statement correctly compares Pittsburgh in 1950 to Pittsburgh in 2010 ( 1 point )A.) By 1950 the population of Pittsburgh
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Which statement correctly compares Pittsburgh in 1950 toPittsburgh in 2010? (1 point) By 1950 the population of Pittsburgh was
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Which statement correctly compares Pittsburgh in 1950 to Pittsburgh in 2010? (1 point)By 1950 the population of Pittsburgh was
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Which statement correctly compares Pittsburgh in 1950 to Pittsburgh in 2010? (1 point)In 1950 Pittsburgh's steel industry had
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Which statement correctly compares Pittsburgh in 1950 to Pittsburgh in 2010?(1 point) Responses By 1950 the population of
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