18. What is the expansion of 'LPA' based on which the IMD forecasts the monsoon? A.Least period averageB.Least prime averageC.Long prime averageD.Long period average
Explanation: Monsoon rainfall is likely to be "normal" at 99% of long period average (LPA) with an error margin of +/-5%, India Meteorological Department (IMD) said in its long-range forecast.
