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Firstly, we have to understand what a buffer is. A buffer is a solution which resists changes in pH when small amounts of acid or base are added. The key word here is small amounts, as if too much acid or...

This question is asking for an outline of how antibody is produced in an immune response, and for the 4 marks, we need to identify 4 or more steps using key words in this process. This question could also...

First, calculate the gradient of the line (m) using the equation using dy / dx.m = dy / dx = (y_2 - y_1) / (x_2 - x_1) = (12 - 4) / (8 - 4) = 8 / 4 = 2.As you now know the gradient of the line and points ...

Kant's categorical imperative enables us to decide how we ought to act, regardless of the consequences. It, therefore, differs to a hypothetical imperative (if I want X, I ought to do Y) and is strictly d...

Macbeth is a play about a characters demise. He starts as an ambitious, hungry, and shrewd character with a thirst for power. As he transforms into the King he yearns to be, he is then consumed by the for...