How did ground personnel first learn that Flight 11 had been hijacked? O The terrorists contacted them tomake demands.
O Foreign voices were overheard in thecockpit.
Flight attendants phoned groundpersonnel and relayed information.
O A passenger on board Flight 11 contacted a family member.
nuection 5

Brainliestttme : )why was the launch of sputnik in 1957 important? -most in the u.s. had not thought the soviets were capable of producing satellite technology.- it made clear that the u.s. space program was dominant.- most in the soviet union had not thought the u.s. was capable of launching manned aircraft. -it established the fact that a more dangerous hydrogen bomb could be created.

What is true about the gullah who lived in areas of colonial south carolina and georgia?

What caused the first political parties to form?