Answer:
The Sierra Madre mountains surround city & trap in polluted air.
Explanation:
Tools probably as they show more of the history. They're primary resources.
Architecture may show more religion and political institutions though.
Answer:
B Federalism
reasoning: Federalism is the sharing and division of powers between national and state governments
The correct answer would be, 13%.
US residents born outside the United States represents about 13% of the population, which is more than three times the percentage in 1970.
Explanation:
It is quite normal for people to travel around the world. People go on vacations, or to some other countries to meet their relatives or friends. During these trips, they may give birth to their children.
So according to an estimate, almost 13% of the residents of United States are born outside the country. This percentage has increased since 1970. More than three times increase has been seen in this percentage.
Learn more about US Population at:
brainly.com/question/11851793
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