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Immunity is the capacity of the body to recognise the intrusion of disease-causing microorganisms (pathogens) and develop a response to fight infection. Antigens and antibodies are crucial to the process ...

On a simple level, utilitarianism is the belief that the morally right thing to do in any situation is to maximise the greatest happiness for the greatest number of people.
A good example of this id...

The unknowns in a simultaneous equation need to be solved, which in this case are x and y.The method I will be using is by elimination:First, find which unknown has the same coefficient. In this example t...

The pluperfect tense describes things or events that had been true or had happened at one point in time before something else happened. The pluperfect tense has two parts to it: it is always formed with t...

If electrons are fired through a thin piece of graphite towards a screen an interference pattern forms.We can explain this by thinking of the electrons as having a wavelength, called the de Broglie wavele...