The concept of conservation as proposed by Jean Piaget means that

Options

A. certain physical properties remain the same even when outward appearances change
B. it is important to protect wildlife and forests
C. one can arrive at the correct conclusion by systematically testing hypothesis
D. taking the perspective of others into consideration is an important cognitive ability

Answer

A

Explanation

The concept of conservation as proposed by Jean Piaget means that certain physical properties remain the same even when outward appearances change.