How to prevent gallstone from forming? 250 words pls.

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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rocks and weathering-matching

explanation:

okay now i don't know this but for the pints nothing else to say bye

if you add everything up correctly you should get 69 i got this because 50 plus 19 is it