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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 - lymphocyte : a small white blood cell involved in ...

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 numbers: b7 b6 b6 b4 b3 ...

Anyone can achieve top marks in their English Literature essays if they follow these simple steps. Essentially, all you have to do is reach the Assessment Objectives the exam board requires. For instance, AO...

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 are a) Focus you...

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 write well under pr...