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Write about your holidays; what your normally do; what you used to do; and what you will do next.

Quand j'étais plus jeune, j'allais en France pour mes vacances. J'allais avec ma famille et nous allions à la plage tous les jours. Je me baignais dans la mer avec ma sœur et après je me bronzais sur la plag...
FS
Answered by Faith S. French tutor
2517 Views

What are two different ways cells of the body signal each other? Give an example of each.

Electrical signal, e.g. when you touch something hot, an electrical signal goes from your hand to your brain to tell you to pull your hand away. How do you know it's electrical? Because it's so fast! Chemica...
IH
Answered by Isobel H. Biology tutor
3976 Views

Split x^4/[(x^2+4)*(x-2)^2] into partial fractions and hence differentiate it

The answer to this question will be explained during the interview session
AS
3009 Views

Sometimes, babies are born with a hole between the right and left ventricles of their heart. Why does this mean oxygenated blood cannot get around their bodies?

Higher pressure in the left ventricle (thicker wall, more contractile power) means that blood will cross from the left side of the heart to the right. This means that not as much oxygenated blood will be pus...
IH
Answered by Isobel H. Biology tutor
4292 Views

What is the integral of x^2 sin(x) between the limits 0 and π/2

For this question, we have to integrate x 2 multiplied by sin(x) . For integrating a product, you must use a method called integration by parts. Without bogging ourselves down with the derivation, we know th...
RW
Answered by Ruth W. Maths tutor
7006 Views