Which joint injury is the result of running on hard surfaces or uphill? •whiplash
•rotational injury at shoulder
•shin splints
•overuse of elbow

Personality traits.. .remain stable throughout life ..change at different rates to different degrees ..are more obvious during childhood ..all of the above

Which term describes a possible explanation of, or answer to, a scientific question that is based on prior knowledge or research and that is testable?

How did dynasties end and how did new ones start?