Answer the following question: Fact 1: Sight is the ability to sense light, and the eye is the organ that senses light. Fact 2: Once the brain interprets the messages, the sight process is completed. Given the two facts above, sensing what requires the brain?

Select from the following.
[a]. poltergeist;
[b]. light;
[c]. demons;
[d]. state;
[e]. voltage;
[f]. nerves;
[g]. motion;
[h]. ghosts;
Answer:
[b].