It is use by Eye Care Professionals To check the eyesight of a person.
If u would have visited a eye care centre u would have noticed a chart like this--
If a person can see all the letters from a distance his eyesight is Perfect.If that person misses a letter or a line from the grid eye treatment or spectacles are given to the person for improving their eyesight
Not get mad at the person who who are it's not right take something big and and small like ball not a soccer ball a regular ball and u get your anger out that's my solution and people out will think it will work
In general, for most things, A would be correct (Any time of the day). It kind of depends on what you ar collecting the sample for. I think the earlier the better but it doesnt usually matter.
It provides structure to the body. With our our strong healthy bones to support us, we would just be walking skin bags with organs and hair. The bones give us the legitimate support for everything, the muscles attach to the bones, so while it may feel like your muscles are doing all of the work, they aren’t. Your bones play a huge roll, in you everyday moving. What makes bones stronger? MILK!