During the enhanced community quarantine period, Samantha  stayed at home for the whole time. After three months, their electric bill came and he was shocked to learn that he will be paying triple the amount of consumption he was paying before. What will she do next time to avoid from this situation?

Using Fluorescent lamp will help you from saving more energy instead using LED lamp.

What do you call to the pressure that pushes the charge particles to flow in a pathway?

if the switch is turned on, the connection is closed circuit connection. 

What will you do to preserve the charge of your cellphone since you need it most of the time?