Answer:
i need the answer choices
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
Answer:
c
Explanation:
it's light intensity because it's not as hard as say jogging (moderate) or sprinting (vigorously)
The answer to this question is called communication