Object permanence is the understanding that

A) developmental stages occur in a predictable sequence.
B) biological growth processes enable orderly development.
C) things continue to exist even when they are not perceived.
D) the mass and volume of objects remain the same despite changes in their form.

Object Permanence

The understanding that objects continue to exist even when they cannot be seen, heard, or touched, usually developed in infancy.

Developmental Stages

Distinct phases of growth or progression in physical, psychological, or intellectual development typical of certain age ranges in humans or other organisms.

Orderly Development

The concept that human growth and development follows a predictable, sequential pattern, typically observed from infancy through adulthood.