Medha is the Eco-club prefect of her school. She knows about one school being a zero-garbage zone. She showed her willingness to her teachers to do the same in her school. She decided to put different coloured dust bins for segregating biodegradable and non-biodegradable garbage as the first step. Now answer the following questions: (i) why does Medha want to segregate biodegradable and non-biodegradable waste? (ii) State the values that prompted that action of Medha. (iii) What can Medha do with the biodegradable waste ?