Amswer:
Conservation
Explanation :
Conservation is an ability that is developed under jean Piaget stages of development theory. This refers to a logical thinking ability that a child develops In the concrete operational stage after the preoperational stage that makes it possible for a the child to understand that a certain quantity remains same even with adjustment or change of container, shape or size
A recent study indicated that the “longer” men were married, the “lower” their risk was of developing a disease.
Maybe but I think you should have more information
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