the pancreas is not a part of the respiratory system. the others are.also, brainly does not accept questions from quizes, tests, and exams.
the answer is definitely c.
using the total effective resistance of the circuit, or the external voltage being applied to it, he can determine the proper unit for that mysterious '24' .
according to coulomb's law , the size of the force varies inversely as the square of the distance between the two charges. so ,if the distance between the two charges is doubled, the electrostatic force will become weak by one fourth of the original force.