- How does a change in concentration influence the diffusion of perfume? Thanks if you can.

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Statistics? In normal distribution, the mean is 0 and standard deviation is 1. What is the probability of test scores between 1.50 and 2.50? X to the second power plus seven minus eight? What are four macromolecules that occur in nature including the building block units of each different macromolecule? Alguém pode me ajudar? Encontre a área da região delimitada pelas curvas y=sinx, y=x, x=π/2 e x=π.? If ultraviolet rays ionize the air, can electricity flow through the ionized air?