Process of identifying or determining the cause if an illness

Elderly nursing home residents tend to decline faster and die sooner than they would otherwise if they lacka)biofeedback.b)mindfulness meditation.c)perceived control.d)type a personalities

Which of these example of a hereditary risk factor? smoking, eating junk food everyday, being a couch potato, having fair skin that is prone to sunburn

Most of the phosphorus on earth comes from ?