Fact 1: Sight is the ability to sense light, and the eye is the organ that senses light.

Fact 2: Light seems to travel in rays or beams.

Given the two facts above, answer the question "what is the eye able to sense?" with the following options: 
- sensory neurons
 - sunlight
 - heat or cold
 - rays or beams
 - see details
 - distance
 - Chemical energy
 - photons


 

    rays or beams     