From what type of land feature is the geologist making
her observations?
O plateau
O anticline
O syncline
O fault-block mountain

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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you need more balloons

a chain link fence because there so tiny even my albino donkey can't get out