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which is the reflected ray for ray 1? ray 2, 3, 4, or 5?

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f

Two waves maximally constructively interfere at a point in space. among the options below, select the possible value of their phase difference at that point in space. a. zerob. πc. π/2d. not determinable by the information provided

Why is no-till farming more sustainable than many traditional methods of farming