What is the relationship of a turbine and a generator?

a.
a turbine provides energy from high winds to the generator. the generator transforms this energy from the high winds into electrical energy.

b.
a turbine provides chemical energy to the generator. the generator transforms this chemical energy into electrical energy.

c.
a turbine provides hydropower to the generator. the generator transforms this hydropower into electrical energy.

d.
a turbine provides mechanical energy to the generator. the generator transforms this mechanical energy into electrical energy.

A.

A turbine provides energy from high winds to the generator. The generator transforms this energy from the high winds into electrical energy.

Explanation:

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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