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Define an organ

A group of similar tissues that work together to perform a particular function.
JJ
Answered by Jonathan J. • Biology tutor
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Outline and evaluate findings from Asch's conformity study (4 marks).

Asch's conformity study found that group size and the influence of confederates changed the belief and behaviour of the naive participant as 75 percent of participants conformed to the wrong answer in the li...
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Answered by Banu H. • Psychology tutor
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What changes happen in the chest to allow us to breath in and out?

Air always moves from an area of higher pressure to an area of lower pressure, an example of this is when there is a puncture in a tyre. The air in the tyre is at higher pressure than normal and so when the ...
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Answered by Benjamin G. • Biology tutor
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Simplify (x + 3)(2x + 5) - (x - 1)

Start by expanding the brackets: 2x^2 + 5x + 6x + 15 = 2x^2 +11x + 15 Combine the two parts of the equation: 2x^2 + 11x + 15 - x + 2 = 2x^2 + 10x + 17
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Answered by Hannah M. • Maths tutor
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Fully simplify: (y^2 x y^5) / y^3

(y 2 x y 5 ) / y 3 When multiplying, the indices must be added together, therefore y 2 x y 5 = y 2+5 = y 7 (y 2 x y 5 ) / y 3 = y 7 / y 3 When dividing, the indices must be subtracted, numerator from denomin...
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Answered by Jemima P. • Maths tutor
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