The answer to this question is <span>membrane potential
The gradient of electrolyte concentration from inside cell and outside cell will determine the membrane potential. Natrium or sodium is much higher outside the cell than inside cell. In contrast to the sodium, potassium is much more inside cells. This two electrolyte have major role in the membrane potential and action potential. </span>
The answer is B - neap tides
Find the sunny spot, dig and loosen up the soil, mix the nutrients, plants the seeds , and finally water them well.