1) Explique quais as fontes adicionais de variação presentes no modelo estatístico de experimentos bifatoriais conduzidos em DBC, comparado com o modelo unifatorial.

water molecules will move from the side of higher water concentration to the side of lower concentration until both solutions are isotonic. at this point, equilibrium is reached. in an isotonic solution, the flow of water in and out of the cell is happening at the same rate.

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answer: #1 ads up by 8 and i don't know #2