Which of the following is the least realistic goal for attaining and maintaining mental and emotional health?
a. be sure i have a chance to do something fun everyday
b. make friends with people i have something in common with
c. get regular exercise and nutritious food
d. set a goal for myself and stick to it no matter what

A- Although engaging in enjoyable activities is good for mental and emotional health, just having fun doesn't seem as emotionally rewarding as positive friendships, healthful nutrition/exercise and attaining goals. An argument could be made that each of these answers has the potential to benefit a person emotionally but being focused only on fun won't necessarily result in a mental and emotional well being.

An epidemic is a large and localized outbreak of a sickness or disease.  a pandemic is a large global outbreak of a sickness or disease. 

Animals will lose energy because it is converted to heat