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Climate change is a very current issue, impacting the planet socially, politically, economically and environmentally. As it is a complex process, it is increasingly difficult to make progress in finding a...

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...