The answer is A. Sympatric
Yes, the fan’s blades have kinetic energy. The blades are in motion and they do work by causing the air to move through the fan blades.
A. One good thing happens and other good things happen because of it.
Answer: <u><em>D. An observation that has a number associated with it</em></u>
Explanation: The answer is D. An observation that has a number associated with it. I would explain further, but it is pretty self explanatory.
<em>Good luck!</em>