At ‘t’ time, population density is ‘N’ and at t+1 time population density is Nt+1 / If Nt+1 - Nt then find out the correct option
(a) B-D +I-E ≠ 0
(b) B-D+I-E = 0
(c) B+D-I+E + 0
(d) B+D-I+E ≠ 0
