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(1) Translate the question: Your Spanish cousin has asked you about your interests. Write to him about the activities that you like to do in your spare time. Mention: (1) food (2) sport (3) family (4) mus...

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...