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What occurs during a combustion reaction

The frequencies refer to the sample data collected from a population of interest when performing a hypothesis test comparing two or more population proportions.

The magnitude of the poynting vector of a planar electromagnetic wave has an average value of 0.939 w/m^2 . the wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. how much total electromagnetic energy falls on the area during 1.0 minute?