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How to study Philosophy without having to memorise

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 his...
MP
Answered by Mara P. • Philosophy tutor
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Explain how alveoli are adapted to perform efficient gas exchange.

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 suppl...
JT
Answered by Joyal T. • Biology tutor
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y is directly proportional to (d+2)^2, when d=5, y=147. d^2 is inversely proportional to x^2, when d=2, x=3. Find an equation for y in terms of x

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 equatio...
LR
Answered by Lucy R. • Maths tutor
3188 Views

how do you conjugate the present indicative form of an -ar verb?

-ar:- o (I)- as (you singular)- a (she, he ,it)- amos (we)- áis (you plural)- an (they)
AC
Answered by Amy C. • Spanish tutor
1712 Views

solve x^2 - x - 6 = 0

y = x 2 - 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 solutions to the equ...
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Answered by Harry R. • Maths tutor
2955 Views