3. (Grafting /Tissue culture) is a method used for large scale multiplication
to develop better variety of crops and to save endangered species of plants.

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