How to name a bar graph

The title of the graph should be what the data is generally about. The x-axis should be named after the independent variable and the y-axis should be named after the dependent variable

the correct answer: the index of refraction of the second medium is lower i tried this persons answer and it was wrong this person is lying

after receiving a stimus, the sensory receptors send(s) signals to the appropriate area of the body.  

the must be sensory neurons.  

hope its .