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Your Friend Says, "Of Course Elephants Are Smarter Than Dolphins

question 108

Essay

Your friend says, "Of course elephants are smarter than dolphins: they have much bigger brains." Why is your friend's reasoning incorrect? What factors is he not taking into account to explain differences in brain size?


Definitions:

Electric Energy

Electric energy is the form of energy generated by the movement of electrons through conductors, and it can be used for a variety of applications including lighting, heating, and powering motors.

Commutator Segments

Sections of a commutator, which is a device used in electric motors and generators to reverse the direction of current.

External Circuit

The portion of an electrical circuit that is outside the internal system, connecting it to external devices or other circuits.

Shunt Field

A winding in electrical generators or motors that is connected parallel to the armature, influencing the magnetic field.

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