Fact 1: If an object reflects light toward the eye then that object can be seen.

Fact 2: Without light there is nothing to connect the eye to the object.

Given the two facts above, answer the question "Without what, no object can be seen?" with the following options: 
- matter
 - flowers
 - Energy.
 - air
 - energy
 - shade
 - lenses
 - light


 

        light 