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Philosophy is a subject that needs a structural understanding. This means that to develop knowledge over Plato's Republic, for example, one needs to understand not just his political views, but also what ...

One cell thick - short diffusion distanceLarge surface area to volume ratio - enables efficient diffusionGood ventilation of air in alveoli - enables constant concentration gradientGood capillary blood su...

Though this question initially appears complex, it can be broken down into logical steps that make the answer straightforward to find. The two statements should be approached individually, to give an equa...

-ar:- o (I)- as (you singular)- a (she, he ,it)- amos (we)- áis (you plural)- an (they)

y = x² - x - 6It is first important to realise that we are able to find the values of x when y = 0, that is where the parabola crosses the x axis. We can visually represent this and our solutio...