Answer:
D: by forming groups involved in risky behaviors
Explanation:
Answer:
The major bones of the arms (humerus, radius, and ulna) and the legs (the femur, tibia, and fibula) are all long bones. The flat bones include the scapula (wingbone), the ribs, and the sternum (breastbone). Irregular bones: Irregular bones are irregular in size and shape and are usually quite compact.
Explanation:
