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When there is less oxygen available in the soil for uptake by plant roots, the root cells will be forced to increase their usage of anaerobic respiration over aerobic respiration. Anaerobic respiration pr...
This question is asking us to find the first order derivative of f(x) with respect to x, then the second order derivative when x=1/2i) Firstly, let's consider (d/dx)4/x:There are two ways to think about d...
The fundamental difference between the political systems in the UK and the US, is that the UK has a Parliamentary Monarchy and the US is a Federal Republic, which changes how the systems work and who they...
This is one of the most common questions received at A-Level, and it is one of the questions which best highlights the jump from GCSE to A-Level. My understanding of the requirements of the A-Level paper...
With the methods we know at A Level we cannot current differentiate xx in its current form. Therefore let y = xxTo turn it into a form we can differentiate we take the natural log o...
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