The wright brothers are most famous for developing a vaccine, for polio advancements in psychology, developing the theory of relativity, the first successful manned flight t/f

The Wright brothers are most famous for the first successful manned flight. They are known to be inventors and aviation pioneers. They fly the world's first successful airplane. Their breakthrough invention was a three-axis control plane where the pilot can steer the plane effectively and maintain balance.

petroleum derivative

Explanation: