A triangles angle will always be the same so it's 180 degrees.
The allusion refers to Albert Einstein and his scientific ideas
Answer:
B <em>The three aims of positive psychology that Seligman discusses help to improve people’s overall happiness by focusing on strengths and meaning in life.</em>
Explanation:
In the work carried out by Martin Seligman, his main theme of his psychological orks which he carried out shows that happiness of an individual depends on our focus to meaning in life.
Either a or b i say B since that’s the definition of theme