a. (i) Poor people or poverty
(ii) Removing the garbage generated by others.
(iii) Exposing himself to harmful substances.
(iv) Sorting out the recyclable waste.
b. (i) Exposing cow to hazardous material.
(ii) Possibility of polythene choking the animal to death.
(iii) Incorrect/improper disposal of polythene by us.
c. (i) Large quantity of waste generated.
(ii) Expecting others to clear the waste generated by us.
(iii) Unhealthy surrounding
(iv) Unpleasant sight Any other.