Well since you narrowed it down for me i know now that it is B. Thank you
Chinese and Irish Immigrants, and African Americans
Question : WHat did ellen Ochoa compare weightlessness to
Logical answer : Swimming.
i dont know,maybe the person below will give you the answer
Here’s one sorry Industrial expansion and population growth radically changed the face of the nation's cities. Noise, traffic jams, slums, air pollution, and sanitation and health problems became commonplace. Mass transit, in the form of trolleys, cable cars, and subways, was built, and skyscrapers began to dominate city skylines.
