Answer:
If you're descending the trail, step aside and give space to the people climbing up.
Anger can also be a substitute emotion. By this we mean that sometimes people make themselves angry so that they don't have to feel pain. People change their feelings of pain into anger because it feels better to be angry than it does to be in pain.
The answer to this question would be "A" I believe.
A person who is trained to examine the eyes for vision problems and to prescribe corrective lenses.
