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Providing there is a basic understanding of the anatomy and functioning of the kidney, we can start by stating that the homeostatic control of osmoregulation in the blood is achieved by h...

For this exercise we need to be aware of the factor theorem.The factor theorem states when f(c) = 0 then x - c is a factor of the polynomial f(x) and c is a root of f(x). Because we are told that one of t...

Sources A and B both agree to a broad extent about the agreement on the site of the Scottish National War memorial and it should be in the capital city, Edinburgh. Secondly, Sources A and B also agree on ...

To find a part of the area we need the whole area first.
Find the formula for the area of a circle: A= pi x r²
We have been given the diameter so we need to work out what the radius ...

This is a standard A-level particle physics question. To solve it, we need to use three equations given in the formula sheet of the paper. To find the energy of the photon, we use Einsteins famous energy-...