How is bipolar depression different from depression?

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?

Brainliest. what are two not needed parts of the body?

If your emotional energy is low, your attitude will likely a. be more negative. b. not be impacted. c. vary substantially. d. be more positive.