Infer why energy is necessary to counteract the diffusion of na+ and k+ ions across the plasma membrane of a neuron.

Energy is necessary to counteract the diffusion of Na + and K + ions across the plasma membrane of a neuron because the ions tend to diffuse across the plasma membrane from an area of high concentration of ions to an area of low concentration of ions, causing an equal distribution of ions outside and inside of the cell ...

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explanation:

the universal gravitation equation. since the gravitational force is directly proportional to the mass of both interacting objects, more massive objects will attract each other with a greater gravitational force. if the mass of one of the objects is doubled, then the force of gravity between them is doubled.