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Complete combustion is the oxidation of a fuel where the only products exist as CO₂ and H₂O.
C₉H₂₀ + nO₂ ==> nCO₂ + nH_2<...

There were several reasons behind the collapse of the USSR in the 1980s, many of which were intertwined. While the ending of the Brezhnev Doctrine, and the subsequent collapse of the Communist regimes in ...

x= -3, y= 8 and x= 2, y= 3
(1) 5 - x = x^2 - 1(2) x^2 + x - 6 = 0(3) (x+3)(x-2) = 0(4) when x = -3, y= 5 - (-3) = 8(5) when x = 2, y= 5 -(2) = 3

The multi-store memory model is a cognitive model which was designed by Atkinson and Shifrin (1968) which conceptualises the different stores of memory. It begins with the sensory store, which includes bo...

This would be an example of a typical English Literature IB Higher Level Paper 2 essay question.The student should introduce their essay by analysing the quotation, perhaps considering the difference betw...