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Similarities:Both processes are passive (do not require energy)In both processes molecules move from an area of high concentration to low concentration and therefore down a concentration gradient.Differen...

First put the equation into the correct form by setting it to 0:18x^2-3x-6=0Look for the common factor in the equation and take it out:3(6x^2-x-2)Using the grid method (which I would show on whiteboard) f...

HDI is a composite indicator used to rank levels of development among countries. The 3 components are:Life expectancy (years at birth)Education index (mean years of schooling/expected years of schooling)S...

In answering this question, it is important that the student outlines the steps and tools involved in the process (for learning purposes it is easier to learn the numerical steps, however, it is important...

Firstly, expand out the (2x+3y)^2 as (2x+3y)(2x+3y).Multiplying each term in the first bracket with each term from the second bracket gives 4x^2+6xy+6xy+9y^2 which simplifies to 4x^2+12xy+9y^2 by adding t...