The exosphere is the furthest out layer.
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Answer:
a) Conservation
Explanation:
In psychology, Jean Piaget developed the Theory of Conservation, which refers to the <u>thinking capacity of an individual that enables him / her to comprehend that even after the physical appearance of an object is modified, like its shape or size, it remains the same. </u>
According to Jean Piaget, this capacity is not developed until the concrete operational stage of a person, which starts around age seven.
Therefore, the correct answer is a) Conservation.
