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Escape velocity is the velocity required to just escape the gravitational pull of a body. The gravitational force of a body is given by Newtons Law:F = GMm / r2 (where G is the gra...
Mass spectroscopy is a highly sensitive method of analysing samples of elements and determining the isotopes present and their relative amounts. We can break down the method into four major steps: (in ord...
Red blood cells transport oxygen from the lungs to all the cells in the body. To do so effectively, they have lots of adaptations: Red blood cells contai...
Having a definitive, consistently-argued view is one of the most important features of a good history essay. However, a good essay will also consider other perspectives. Rather than viewing the task of ba...
Curved surfaces, providing a large surface areaThin, providing a short diffusion distance
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