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I am really interested in working voluntary, which is something I have done many times. Lately, I worked voluntary as an English teacher through the Hellenic Red Cross in Greece. My main duties were to teach...

The principle of social welfare is the idea that the state has a responsibility to intervene in the lives of citizens in order to ensure a basic standard of living, for instance through policies such as prog...

To calculate the cross product of two vectors you take the coordinates of vector 1 which are (x 1 ,y 1 ,z 1 ) and the coordinates of vector 2 which are (x 2 ,y 2 ,z 2 ) and put these coordinates into a 3x3 m...

(Answer supplemented with whiteboard annotations) As previously mentioned at GCSE, the sugarphosphate backbone is formed by a condensation reaction between the phosphate group of one DNA molecule and the deo...

u = Cos(x 3 ) To differentiate this function we will use the chain rule. Firstly we will set x 3 to another variable name such as v. So now v = x 3 . Lets differentiate this. dv/dx = 3x 2 We can now differen...