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In German, there are lots of different ways to say ‘to’: ‘nach’, ‘zu’, ‘in’ etc. Unfortunately, you do just have to learn when to use each one by memorising the rules. Learning individual examples also he...

• when the water potential of the blood is too low (1) * This is detected by receptors in the hypothalamus (2)* the pituitary gland in the brain then secretes more ADH (3) * ADH increases the permeabi...

Planning in an exam is really important to ensure you have a structure of argument to refer back to. Due to the limited time available, your planning should be quick and to the point. A good way of doing ...

First of all, as with every question, we need to write down the information we have. so we know that y is 20% bigger than x meaning y=1.2x. this is because to increase x by 20% you need to multiply by 1.2...

For a linear sequence use DNA! This is a formula that can be used to work out the nth term. It is officially written as Dn+alets take an example: 3, 7, 11, 15, 19, 23The "D" stands for the diffe...