To be correctly positioned on a bicycle seat, which steps should the rider avoid? check all that apply.
sitting in an erect position
remaining steady on the seat
pitching the body forward
rocking from side to side
sitting with the back humped

C) pitching the body forward, D) rocking from side to side, and E) sitting with the back humped.

Explanation: When riding a bicycle it is very important to have the correct posture, in order to avoid injuries. From the given options, the steps that a bicycle rider should avoid are: pitching the body forward, and sitting with the back humped, because it isn't the right posture and could produce back pain; and rocking from side to side, because it makes harder to mantain de balance when riding.

there purpose is to entertain

if you don't mind posting the paragraph so i could read it that would a lot. (;