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There's four main types you'll need to know. These are constructive, destructive, collision and conservative - these basically are just different ways that two tectonic plates could interact. Constructive (a...

MEDCs do not rely on produce from their own country to feed their population, and instead, import a lot of it from other countries. Therefore, in a drought they are still able to feed their population despit...

In order to work out the equation for a line, you need the gradient of the line and the coordinates of a point on the line. To find the gradient on the line, you look at two points on the line and calculate ...

To start, let us recall the form of a quadratic equation. y = ax 2 + bx + c. When making x the subject of the formula and setting y = 0, we get the quadratic formula, as you may have seen before. x = (-b +- ...

The answer is of the form ax 2 +bx+c The a term is found by the product of the coefficients of the x in the brackets. e.g ( 2 x+7)( -4 x+6) would give -8 x 2 . However for this example, we will only use coef...