Answer: c. Jumping rope
Step-by-step explanation:
The bone-strengthening activities are those activities that produce an impact or force of tension on the bones. These bones promote the strength and growth of the bones.
The examples of bone-strengthening activities involve jumping rope, skipping, hopping, running, weight lifting, gymnastics, tennis, volleyball, and basketball. The children and young people must perform these activities for the smooth functioning of the musculoskeletal system.