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What is the role of the kidneys and how does it function to do its job?

The main role of the kidney is to filter the blood, to remove toxins like urea and then via various methods, parts of the kidney are able to reabsorb many of these filtered substances back for example, gl...

LM
Answered by Luwaiza M. Biology tutor
4964 Views

A ladder 5.5m long is leaning against a wall. the foot of the ladder is 1.7m away from the wall. how far up the wall does the ladder reach?

This is a classic GCSE Pythagoras' Theorem question. 

The first thing we are going to do is draw a diagram. Once we sketch out a diagram, we can see that the ladder makes a triangle shape with the ...

AN
Answered by Annie N. Maths tutor
7225 Views

What is Rawls' Difference Principle? Why do people say it is not egalitarian?

John Rawls' vision of distributive justice entails his Difference Principle. The Difference Principle permits diverging from strict equality so long as the inequalities in question would make the least ad...

AK
Answered by Amrita K. Philosophy tutor
11430 Views

How do I work out the length of sides on a right-angle triangle?

Over 2000 Pythagoras discovered that when a triangle has a right angle (90 degrees), and squares are made for each of the three sides, then the biggest square has the exact same area as the two other squa...

AK
Answered by Amrita K. Maths tutor
4620 Views

How should I approach and structure the long English Language AQA Exam questions?

Firstly, whilst there are wrong answers to English questions, there is never one single right answer to any English essay. Your job is to argue your point of view to the question asked. If you state your ...

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Answered by Amrita K. English tutor
7022 Views

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