Choose the correct statement (a) Concentration of DDT in the water declined with the passing time. (b) Concentration of DDT in the water remains the same over many years without any effect. (c) If concentration of DDT starts at 0.003 ppb in water, it can ultimately reach 25 ppm in fish-eating birds. (d) If concentration of DDT is 25 ppm in water, in fish-eating bird population it reduces to 0.003 ppb later.

Choose the correct statement (a) Concentration of DDT in the water de

1.	Choose the correct statement (a) Concentration of DDT in the water declined with the passing time. (b) Concentration of DDT in the water remains the same over many years without any effect. (c) If concentration of DDT starts at 0.003 ppb in water, it can ultimately reach 25 ppm in fish-eating birds. (d) If concentration of DDT is 25 ppm in water, in fish-eating bird population it reduces to 0.003 ppb later.
Answer» (c) If concentration of DDT starts at 0.003 ppb in water, it can ultimately reach 25 ppm in fish-eating birds