Give three factors that limit performance on tests like the Landolt-C. At least one of your answers should be a physiological factor and another one an environmental factor. (50 words max)

True statement gravity force is more on bigger mass, less on smaller mass.all mass fall on planet with same acceleration and speeds

Because the earth is not round ,but it may seem round when viewed from ,our planet but true some points earth is not round was an oblate spheroid -a square that it squashed as globe however is not even a perfect oblate spheroid.in fact isaac newton's first proposed that earth was not perfectly round but it was an oblate spheroid instead.that mean a square that is squashed as its poles and swollen at the