A school organized a study tour for its students to observe how do people in village use energy resources for their living. They observed that in one of the villages, people use wood and cow dung as a fuel while in the nearby village they saw modern technology was used by the villagers for better sanitation and management of their bio-waste and sewage materials by establishing biogas plant.
(a) If you compare situation of both the villages, which practice would you prefer to be the best and why ?
(b) What are the advantages of this practice ?
(c) State the associated values which you would get from this excursion tour.
