7. What will happen if garbage is left open in bin?

Ans: (i) Garbage will rot and bad smell will spread all around the surroundings. (ii) Garbage will become breeding spot for flies, mosquitoes and other disease- causing small organisms. (iii) Due to flies, mosquitoes and other organisms many diseases will spread in the community. (iv) Rotting garbage may cause air pollution and spread of respiratory disease such as breathing problems.