At age 7, Jenny's thinking became less intuitive and egocentric and more logical. jenny's cognitive ability reflects c<span>oncrete operational thought.
</span> These thoughts appear in the concrete operational stage of <span> Piaget's theory of cognitive development</span><span>, which occurs between the ages of 7 and 11.
</span><span>At this stage children gain the abilities of conservation (number, area, volume, orientation) and reversibility.</span>
The correct answer is interference
Explanation: The superposition, also called interference in some cases, is the phenomenon that occurs when two or more waves meet, generating a resulting wave equal to the algebraic sum of the disturbances of each wave.
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<span>ᅟᅟᅟᅟᅟᅟᅟᅟᅟᅟᅟᅟ</span>
