Respuesta :
Answer:
b. consider using a composting toilet that does not use water
Explanation:
A composting toilet is a type of toilet in which a natural process of decomposition called composting is used to recycle human waste and it doesn't use water. Because of this, this toilet can help to use less water and is an example of how people in the developed world could make a big difference in how much water they use.
The other options given are not right because they don't affect water consumption.