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Naphthalene sublimation rate=3*10^-5/min. Volume of room=60m^3. How would I calculate the naphthalene concentration in the air of the room? How can i determine crop coefficient of constructed wetland macrophytes? What is the purpose of blanching foods? Let X1 & X2 have joint pmf p(x1, x2)=(x1x2)/36. 0 otherwise Find joint pmf of Y1=X1X2 and Y2=X2? If I save 300 dollars every 2 weeks for 6months how much will I have?