You are presented with the question "what does it mean if an object can be focussed on the retina?" and the following answer choices: 
- sunlight
 - lowered energy cost
 - it has density
 - it is a rainbow
 - observe it
 - Change colors
 - it is invisble
 - it can be seen

Now knowing that if an object reflects light toward the eye then that object can be seen and light is focussed on the retina, choose the best answer.


 

        it can be seen 