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How is systems theory approach applied to the hydrological cycle?

The hydrological cycle can be understood through a systems approach. Systems are bounded and have inputs, outputs and throughputs. The global hydrological cycle is a closed system driven by solar energy and ...
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How successful was Bismarck in dealing with opposition?

Bismarck was successful in managing political opposition as demonstrated through is deft manipulation and pragmatic partnership with the Liberal party to secure consolidation of German unification and pass t...
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Answered by Phoebe D. • History tutor
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What is mitosis?

Mitosis is the process of cells dividing to form two identical daughter cells. It consists of five stages: interphase, prophase, metaphase, anaphase and telophase. Interphase is the stage during which the ce...
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Answered by Chloe H. • Biology tutor
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A curve has the equation y=3 + x^2 -2x^3. Find the two stationary points of this curve.

At stationary point the derivative of y with respect to x equals zero. Find dy/dx. dy/dx = 2x - 6x 2. Set dy/dx = 0 ,giving 2x - 6x 2 = 0. We can rearrange this to x(1-3x) = 0 and solve the equation for x. T...
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Answered by Thomas C. • Maths tutor
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What does the proportion of male witches tell us about gender in witchcraft belief and persecution?

For history tutoring I have found that students generally want help with essay technique rather than factual explanation. So I would begin by getting them to send me some of their writing so that we could ta...
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Answered by Emma N. • History tutor
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