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The most important thing to remember about answering these longer-style questions in an exam is to PLAN! It might feel like you don't have a lot of time, but just spending five minutes before you start wr...

In recent decades, evidence suggests that the changing nature of tropical cyclones is related to global warming. Through amplified absorbed solar radiation, sea surface temperatures have increased, and th...

First, we must evaluate what is given in the question. As it can be seen, the expression indicates that the problem consists of a first-order differential equation. We are also given the values of x and t...

First, we need to draw a diagram, to understand the question more clearly. 
y = x^2 is a common curve, but to sketch y = 4x - x^2, we should factorise it, to find where it inersects...

One definition of abnormality is failure to function adqeuately. This occurs when someone is unable to cope with ordinary demands of day to day living. In 1989 David Rosenham and Seligman proposed three s...