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What is the second line of defence?

Before we start let’s re-cap some key terminology:

-pathogen: a microorganism causing disease or illness to its host

The first step is to view the sum as an addition of a positive and a negative number, rather than a subtraction:
17 + (-24)
 
From there we can work out the binary equivalents of the 2 numb...

Writing a great answer to an AS or A2 English essay is tougher than it was at GCSE but it is important to build on the skills you developed at the earlier level. 

The three things to remember ...

Considering the question carefully, planning and time-management are key.

Students who have revised their topic's knowledge content thoroughly can throw away easy marks becuse they cannot writ...

Monetarists believe that prices and money wages are flexible and can adjust quickly, meaning that the real wage is at the right level to achieve long run equilibrium in the labour market. All unemployment...