Ahomeowner paid $4000 for a solar water heater and received a tax credit of 30%. the system saves $450 per year. find a simple payback time. assuming a discount rate of 5%, find the payback time on the pw analysis. based

The answer is conduction

Each calcium ion has a charge of +2, which can also be written as ca2+. if those ions move out of the neuron and no other ions are moving, the neuron would lose the positive charge associated with those ions and become more negatively charged.