Question

what is one way the human population can decrease their total energy use? keep the water running while brushing teeth keep their cars running while parked keep all the lights on in your house become more efficient at using energy

Explanation:

• Keeping water running while brushing teeth wastes water (which may involve energy in water treatment and supply).
• Keeping cars running while parked wastes fuel (a form of energy).
• Keeping all lights on in the house wastes electricity (a form of energy).
• Becoming more efficient at using energy directly aims to reduce overall energy consumption.

Answer:

become more efficient at using energy