With which type of friends do you keep your personal feelings secret? a. casual friends b. close friends c. opposite sex friends d. personal friends

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?

Many factors influence your mental and emotional health

Abraham maslow's theory of personality development was the "ages and stages" model