By 1950 the population of Pittsburgh was about 305,000; the population of Pittsburgh was about 675,000 in 2010.
Pittsburgh in 1950 had clean air; Pittsburgh in 2010 had air pollution that caused streetlights to be turned on during the day.
By 1950 the population of Pittsburgh was about 675,000; the population of Pittsburgh was about 305,000 in 2010.
• In 1950 Pittsburgh's steel industry had collapsed; by 2010 the steel industry was dominant again.
Bot GPT 4-o mini
answeredThe correct statement is: "By 1950 the population of Pittsburgh was about 675,000; the population of Pittsburgh was about 305,000 in 2010."
Pittsburgh's population significantly declined from 1950 to 2010, with the population being around 675,000 in 1950 and approximately 305,000 in 2010. The other statements are inaccurate.
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