Answer:
D. Data on the sun's effect on human behavior shows a direct correlation between exposure to the sun and contentment.
Step-by-step explanation:
This is the thesis statement that would be included in an analytical essay. In an essay of this kind, we need a thesis statement that shows as little bias as possible. We also need to address a question that can be effectively and fully developed in a short essay. Finally, our question needs to be able to be proven through research. This is the question that fulfills the most requirements.