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The introduction is the crux of the essay in which you clearly set out your line of argument. I would start my introduction off with a quick summary of the historiographical debate surrounding the questio...
His heart rate increases as his cellular demand for oxygen increases and the amount of carbon dioxide in his blood increases, this is due to an increase in the rate respiration because of increased ATP de...
Aggregate demand (AD) is total spending on goods and services. The formula = AD = C (consumption) + I (investment) + G (government spending) + (X (exports) - M (imports))Interest ...
During exercise body temperatures increase, as this can be damaging to biological processes (enzymes may be denatured) the body tries to maintain a constant body temperature in a process called homeostasi...
Ammonia is NH3.Nitrogen has a relative atomic mass of 14.Hydrogen has a relative atomic mass of 1.14 + (3 x 1) = 17Ammonia has a relative molecular mass of 17.
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