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Name three common components of blood; as well as how they are removed from the plasma

Waste (e.g. carbon dioxide) Carbon dioxide is a waste product of respiration, which ends up dissolving in the blood plasma. This can cause the blood pH to decrease, which will ultimately cause a lot of probl...
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Answered by Sara T. • Biology tutor
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Compare and contrast the way the theme X is presented in Text A and Text B

The key for me in answering this question can be found in the structural appraoch - Introduction/ Similarities/ Differences/ Conclusion on the overall defining effect of theme X. Introduction: Breifly summar...
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Answered by Olivia M. • English tutor
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Why is the derivative of inverse tan(x) 1/(1+x^2)?

This can be proven by understanding tan(x) and it's inverse as functions, using implicit differentiation, subsitution and by recognising trigonometric identities (or being able to prove them from first princ...
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Answered by Neel G. • Maths tutor
6974 Views

In what way is an English Language essay different to an English Literature essay at A Level?

One of the main things to remember when it comes to an A Level English Language essay is that you have a completely different aim to when you are writing an English Literature essay. Whilst during Lit essays...
EG
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Simplify x^2 - 9x + 20

Firstly write out the equation x 2 - 9x + 20 = 0. The aim is to find two numbers that multiply to make 20 and add up to make -9. Look at the constant without any x's , in this case it is 20. We need to work ...
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Answered by Amrit M. • Maths tutor
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