Answer:
D, what do people need to be happy
Explanation:
first we need to understand what positive psychology means. Positive Psychology according to Wikipedia can be defined as <em>the scientific study of the "good life", or the positive aspects of the human experience that make life worth living. </em>
Therefore the correct option is D
Mutation would be the best answer.
Answer:
where is the diagram? could repost the question ?
Answer:
B. It turns salt water into fresh water
Explanation:
