Why did the fourth hijacked plane crash into an empty field in Pennsylvania?
there was a plane malfunction
the passengers took over the
plane
the hijackers changed their
minds

Who was the leader of the black nationalists in the 1920s?

Which of the following would one might expect to be a characteristic of an edge city? (1 point) i. tenement housing ii. office parks iii. stable infrastructure iv. ghettoization i only iii only i and iv ii and iii iii and iv

Both the nervous and endocrine systems send electrical and chemical signals for internal communication. select the best answer from the choices provided t f