Which are practical examples of how people in the developed world could make a big difference in how much water they use check all that apply a. use lightbulbs that use less electricity b. consider using a composting toilet that does not use water c. avoid using your telephone during peak hours d. do not read books

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.

the correct answer is c