1.

The concept of 'conservation' as proposed by Jean Piaget means that: [CTET-Sept.-2016-II]

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


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