reducing fluid friction. increasing surface area. increasing terminal velocity. decreasing mass.
I gave my students this multiple choice question: When a skydiver jumps from a plane, the open parachute will increase the air resistance by

Only one answer is correct among these 4 choices:
- reducing fluid friction.
- increasing surface area.
- increasing terminal velocity.
- decreasing mass.

Could you tell me which one is correct?

increasing surface area.