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Write a sentence using the imperfect tense, and one using the 'passé composé'.

Quand j'étais plus jeune, je jouais de la guitare. (Imperfect, a countinuous action in the past) When I was younger, I used to play the guitar. Hier, je suis allée à la mer. (Passé composé, a completed actio...
JV
Answered by Julia V. • French tutor
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Shakespeare’s play Othello demonstrates the weakness of human judgement. Discuss 

Whether it be through the weak judgement of certain prejudices within the play, Othello’s completely devoted entrustment of his perpetrator or, Desdemona’s flawed perception of her husband’s loyal and noble ...
CB
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How does chemiosmosis work?

Chemiosmosis is the method which cells use to create ATP for energy. It works a bit like a water wheel creating power. ATP synthase is like a water wheel in the inner membrane of mitochondria which creates A...
MT
Answered by Max T. • Biology tutor
29916 Views

Explain the process of ventilation in human lungs.

Ventilation is movement of air into and out of lungs; volume of thorax/lungs/chest increased/decreased; pressure in thorax/lungs/chest decreased/increased; air flows from higher to lower pressure / air flows...
AK
Answered by Anahita K. • Biology tutor
2172 Views

By using an integrating factor, solve the differential equation dy/dx + 4y/x = 6x^-3 (6 marks)

Answer : y = 3/x 2 + c/x 4 Integrating factor is 4/x (1 mark) => I = e integral (4/x) dx (1 mark) => I = x 4 (1 mark) . Using the formula, d/dx (x 4 y) = 6x (1 mark) => x 4 y = integral(6x)dx (1 mar...
MD
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