Why did many african americans move to the north between 1890-1920? a)they were escaping slavery b)their chance to find work and make a better life were better c)many were hoping to become jazz singers and artists d)all of the above

Igive brainliest based on the passage about louis pasteur, which statement is a fact? louis pasteur should have studied his laboratory animals more closely. louis pasteur was clever when he decided to inject nerve tissue from sick animals into healthy animals. louis pasteur knew it took about a month for signs of rabies to show up in a victim. louis pasteur was one of the greatest scientists who ever lived.