Explanation:
Poor health can put a person's physical condition a risk because a person cannot do any physical movement or exercise because of poor health. For example, if someone is having high blood pressure, he cannot do much workout. Poor physical movement can be the factor why the person is having problems with mental conditions because he will feel bad about himself which will lead him to bad social aspects since the person who is thinking bad about themselves are more likely to think that other people think that too.
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.
Answer:
due to human are using resources faster than they can be renewed replace and clean up.