Im not enitrely sure but i think the answer is C from what i am reading.
they belive that becuase when you are completly exposed to the sun that is when you skins pigamentation is then distroied.
Sudden impact to the joints (i.e. backward or forward force) can cause a dislocation which can either be a complete dislocation or a partial dislocation. A joint dislocation can damage adjacent structures usually by nerve and vessel impingement causing parethesias and paralysis. Manual correction of the dislocated joint is often favored.
Following the rules and any expected etiquette sounds more right than any of the others
