What happens to the vitamin c in a potato when it is processed into other products?

The Vitamin C will probably get decreased due to the food it is processed by.

the answer that best describes the relative refractory period in the neuron is the resting membrane potential is restored, but concentrations of sodium and potassium are not restored to their original state.

the refractory period is the time during which another stimulus given to the neuron will not lead to a second potential. thus, because na+ channels are inactivated during this time, additional depolarizing stimuli do not lead to new action potentials.  

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c. heat from the poles back down towards the equator.