Electricity is the manifestation of traveling currents. These currents however are unable to move unless one were to complete a "circuit" (Word you are looking for). If the circuit is not completed electricity doesn't travel.
<span>The correct answer is D: all of the above. Pollution has many negative effects on both the human population and the environment. If the air and water is heavily polluted, it can contaminate the human population and cause illnesses and even death. It can also taint natural resources making them unusable</span>
Answer:
go to bed at the same time, close the curtains, exercise everyday, do something relaxing before bed
