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Osmosis is the movement of water molecules from an area of high concentration to an area of low concentration through a selectively permeable membrane.

Step 1, find the gradient of line A: gradient = change in y/change in x = (y1 - y2) / (x1 - x2) = 9-3/4-2 = 6/2 = 3Step 2, find the gradient of line B: as the two lines are perpendicular, the gradient of ...

In the above passage, Shakespeare captures the dedication Mercutio feels for Romeo. Mercutio's aggression towards Tybalt demonstrates the rage he feels when Romeo is insulted. Shakespeare emphasises Mercu...

There are several types of phrases which can trigger the subjunctive. These are easy to remember with the acronym WEIRDO. W - wishes, when you want something to happen (Espero/ deseo que). E - emotion to ...

A derivative is a function that tells us the gradient of a curve at any point. Say you have a function like f(x)=x³+x² and you want to know when the function is stationary, i.e. has ...