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Intro- First thing to do in your introduction is alert the reader to what your line of argument (LOA) will be, and then how you will evidence this (AO1). Always make it clear what your ...
The use of ‘critically evaluate’ shows that students must address and analyse arguments both for and against the use of the Electoral College (EC). However, to achieve the top marks students must convinci...
a) To show (x+2) is a factor, we want to show f(-2)=0. So (-2)^3-2(-2)^2 -29(-2)-42=-8-8+58-42=0b) Divide x^3 -2x^2-29x-42 by x+2 to get x^2-4x-21 which we factorise to get (x+3)(x-7). Hence f(x)=(...
Amylose is a short coiled molecule. Which makes it compact, Good for storing lots of glucose in a small space.Amylopectin is a branched molecule with many end points for enzymes to access. So lots of hydr...
When a Metal and acid react together they form a salt, and hydrogen gas. You can't really see the salt when is is formed, as salts dissolve in solution. However you can see the hydrogen gas bubbles. So fi...
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