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let x1 = 0, y1 = 0 in (0,0) and let x2 = 8 and y2 = 8 in (8,8). To find the gradient, we would do (y2 - y1)/(x2-x1) = 1. To find the length, we would do the square root of the following: (y2-y1)^2 + (y2-y...

The first thing I would do is sketch a diagram of a triangle and a pentagon. I find that tutees learn best when they can see what's going on so this makes the explanation easier to understand. After havin...

Phagocytosis is when a white blood cell - or "phagocyte" - engulfs a pathogen that has entered the body and has made it past the body's physical barrier defences.The phagocyte first locates the ...

As you descend the group, the nuclear charge increases with the addition of further protons. Despite this, the atomic radius from the nucleus to the valence electron increases with more electron shells as...

Introduction - setting the scene for the question (in an exam setting, context can be important, but what's more vital is conceiving of your thesis, laying it out and giving evidence for why you think thi...