What concept is illustrated by the use of advance organizers

The answer is Meaningful Learning.

Meaningful learning refers to the concept that an individual fully understood the learned knowledge, and that he or she knows the specific fact that relates to other stored facts.

Advance Organizer is a useful tool  for teachers in helping students remember new material.

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2