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A catalyst is something that changes the rate of a chemical reaction, without being used up during it.

A catalyst provides a different reaction pathway, which requires a lower activation energy tha...

Intro:
UK unemployment currently at 4.4%, a four-decade low, question remains how to lower it further with growth forecasts falling and business confidence faltering.

Para 1:
A tr...

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...