Answer:Sodium ions
Explanation:
The membrane potential of most cells is negative, when sodium ions enters the cells, it can reverse the polarity and makes it positively charge.
Answer:
1800
3000x.60=1800
it's urine option ( C ) .
1.51367e+10 inches
1 mile = 63360
63360 x 238900 = 15136704000
Hope this helped!
