Melting pot because America is mixed with people with different nationalities.
Answer:
The universal origin story known as the Big Bang postulates that, 13.7 billion years ago, our universe emerged from a singularity — a point of infinite density and gravity — and that before this event, space and time did not exist (which means the Big Bang took place at no place and no time).
Explanation:
A bureau is defined as the department or division of the government, that is helpful for distributing the data and collecting the work.
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How does the US Census Bureau define an urban area?</h3>
Urban are defined as the areas that including at least 2,500 and less than 50,000 people. On the other hand, "Rural" defined as any population, housing, or territory outside urban areas.
Urban areas are generally defined as the towns and cities. Under these areas people have sufficient amount of money because the job availability.
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brainly.com/question/11397862
Answer:
they created oxygen for living species
