Increase and decrease in a population in one of the places in USA, because of sandy cyclone is
given below.
Which type of graph is possible for total no. of individuals in a population v/s month ?
Month Birth rate Imigration Death Emigration
July 40 100 30 20
August 100 200 50 45
September 200 800 100 10
October 100 -- 5000 3000

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