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.

People play a very important role in the process of development as :
- People themselves are a part of development
- Contribution and a small hand itself from the side of people provide a great help.
- Mutual understanding amoung other people and spreading of awareness.
Eso no estaría en un libro?
The answer is B because he always jogs a mile therefore the answer will be B