What is the biggest difference between badminton and other racquet sports. A. it is not an olympic sport.
B. it does not use a ball.
C. it is played to 21 points .
D. it uses a net instead of an enclosed court.

B

Explanation:

I would say B because it uses a paper thing and other racquet sports use a ball.

B. it does not use a ball

Explanation:

They instead use a cone that used to have 16 goose feathers that weighed 0.17 grams with a cork hemisphere. Now it is a cone that is made of plastic with a rubber end. It is sometimes called a birdie but formally known as shuttlecock.

i believe it is true.