On a scale of 1-10 how is life treating you? if someone answers just add a comment

How do the uv rays cause damage?   what exactly causes the skin to burn;   can you be more specific about this mechanism?   3. how do photosensitive medications increase a person's sensitivity to sunlight and therefore increase their risk of getting burned?     what kind of medications can increase photo-sensitivity, can you think of some examples?

Whats the difference between epinephrine and norepinephrine?

Arah is eating lunch with friends outside in the commons area of her school. one of sarah’s friends offers to share a marijuana joint with her. what could be the outcome if sarah were caught smoking marijuana at school? nothing will happen because she did not buy the joint. she could be suspended from school. nothing will happen because she is underage. the consequences would be up to sarah’s parents.