Question

aircraft technology
instrumentation panels in planes led to \blind flying.\ this meant that even when the pilot couldnt see where they were going, the instrumentation panel allowed the pilot to continue flying the plane.
radar and radio communications also revolutionized aviation. radar was used to track planes, and radios were used to allow pilots to communicate with other pilots and planes.
which type of plane was most common prior to world war ii?
monoplanes
triplanes
biplanes

Explanation:

Prior to World War II, biplanes were very common. Monoplanes became more prevalent later, and triplanes were less common overall compared to biplanes pre - WWII.

Answer:

C. biplanes