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Read the question and think of your top 3-4 factors which explain the question. Have a clear line of argument throughout the essay. Introduce information relevant to your essay (this can include statistic...

Ser is used for concrete facts and descriptions of things that are not likely to change.
E.g. He is tall - Es alto. This uses ser as being tall is not something that changes and is usually a concrete...

Atoms in group 8 have a full outer electron shell. This means they don't have a tendency to lose, gain or share electrons with other elements to achieve a full outer shell. This explains why they don't fo...

the turning point of curve is when the gradient of the curve is 0. to find the gradient of the curve, we need to differentiate the curve.y = x² + 3x - 10dy/dx = 2x + 3gradient = 2x + 3 = 02x = ...

Well, when solving quadratic equations we have two options, either A: factorize the equation and solve or B: Use the '-b' formula. Option A is usually a lot quicker but does require you to practice factor...