According to flap comparisons, which statement is true about split flaps relative to plain flaps?

According to flap comparisons, which statement is true about split flaps relative to plain flaps?

• A. Split flaps create more drag due to turbulence than plain flaps.
• B. Split flaps reduce drag compared to plain flaps.
• C. Split flaps have no aerodynamic effect.
• D. Plain flaps create more drag.

Answer: (A)