Which of the following is the most wasteful use of water? A) Taking a shower rather than a bath . B) Watering the garden with recycled water . C) Running dishwashers before they are completely full . D) Replacing high-flow showerheads with low-flow showerheads .
Out of the choices given, the most wasteful use of water is someone running their dishwasher before they are completely full. The rest of the choices conserve water, unless a person takes a very long shower. The correct answer is C.
