ANSWER is muscular strength. Weight lifting does not require a lot of energy and is mainly meant to build more muscle. Flexibility deals with how much the body can stretch. Cardiovascular fitness is high in energy and makes your heart beat at a fast rate. Body composition is what your body is made up of
D, That is the recommended exercise time by NIH/NHS
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
D = MOVE THE WEIGHT AT A MODERATE TO SLOW SPEED