Plz answer .
what is the purpose of a backdrop?
a. provides a neutral or interesting background
b. bounces light at a subject
c. measures the light source
d. reduces the intensity of a light source

Acurious child asked his mother: “mommy, why are some of your hairs turning grey? ” the mother tried to use this occasion to teach her child: “it is because of you, dear. every bad action of yours will turn one of my hairs grey! ” the child replied innocently: “now i know why grandmother has only grey hairs on her head.”