I think it's round.
Way to prove it - Watch a ship sail off to sea
You can see how the earth's curvature like that. If it was flat, then you could still see the ship.
B. Immigrants left Ellis Island within hours; they often remained in Angel Island for weeks.
Immigrants in Angel Island came from Asian countries, specifically, China, Japan, Russia, and South Asia. Upon arriving in Angel Island, they have to undergo medical examination and interrogation process.
The length of time an immigrant spend on Angel Island varies on the length of his or her interrogation process. Some immigrants produce false paperwork, which lengthened their interrogation process because the authenticity of said paperwork must be verified before they can be granted entry to the United States.
Explanation:
ummm am confused here do you have and article or something that might help because I don't understand your question here?