Here are the best answers to each of the statements you've provided:
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Compare trading between the United States and Mexico:
- Best Statement: Mexico relies heavily on trading with the United States, but the United States does not rely heavily on trading with Mexico. (This statement accurately reflects the trade dynamics between the two countries, where Mexico is more reliant on the U.S. market.)
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Summarize travel between the United States and Mexico:
- Best Statement: Mexico is the leading foreign destination for U.S. travelers, and the United States is the leading foreign destination for Mexicans. (This statement captures the travel patterns between the two countries accurately.)
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Compare Pittsburgh in 1950 to Pittsburgh in 2010:
- Best Statement: By 1950 the population of Pittsburgh was about 675,000; the population of Pittsburgh was about 305,000 in 2010. (This indicates the significant population decline in Pittsburgh over the decades.)
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Describe a result due to environmentalism in the Greater Yellowstone Ecosystem:
- Best Statement: Bison population rebounded. (This reflects successful conservation efforts in the area.)
If you have more questions or need further clarification, feel free to ask!