Something may irritate it and the reaction the eye has is that it burns. Let's say something got in it, then it burns because something is touching the eye that irritates it and it burns.
Correct streaching is a great stratigie for relaxation and yoga
(not sure if this is what you are looking for, but here is a small thing I made up to hopefully at least get you started!)
The influence of self-esteem on teens participating in risky behavior can sometimes be major. While not all teens struggle with their self-esteem, many do. This can result in the doing things they may not otherwise do as they do not have the high esteem to take care of themselves better. As said before, this does not apply to all teenagers, but "having good self-esteem may help them to handle relationships in more mature ways."
I would say A. Because c and d r very dangerous if u think about it. And b is right in some situations. But if u do a then people can see whts going on if something happened because of the light. and it is safe. If wrong let me know. :D