Study the given graph carefully and answer the following questions:1. How does the natural increase in population occur, as per the graph? a) Birth Rate – Death Rate b) Death Rate + Birth Rate c) Growth Rate - Birth Rate d) Birth Rate + Migration2. What does the transition from high fluctuating stage to low fluctuating stage indicate? a) Shift from Urban Industrial economy to Rural Agrarian economy b) Shift from Rural Agrarian economy to Urban Industrial economy c) Low Birth and Death Rate to High Birth and Death Rate d) Migration from Urban to Rural areas3. From the given graph, what condition can you infer about the developing countries? a) High Birth Rate and High Death Rate b) Low Birth rate and Low Death rate c) High Birth Rate and Low Death Rate d) Low Birth Rate and High Death Rate4. In which stage of Demographic Transition, population explosion took placea) Stage I b) Stage II c) Stage III d) Post Stage III