Select the correct responses to the questions from the drop-down menus.
which type of precipitation is the most common?
rain
which type of precipitation is round pellets of ice less than 5 millimeters in diameter?
sleet
which type of precipitation is formed as pellets of ice are tossed up and down in clouds?
hail

i think it is true in my reasonment ..

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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explanation:

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nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides