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In order to maintain homeostasis, which in this case means a stable blood glucose, certain hormones must be released in situations which alter blood glucose. This occurs most commonly after a meal (increa...

The concept of time is influenced by the force of gravity. On a planet, gravity acts on every object within its gravitational field. The closer the object is to the surface of the planet, the greater infl...

Throughout Art History the canon often compartmentalises different movements, which creates a lot of pressure to identify the particular ‘style’ of an artwork. Although this is a useful introductory tool ...

This is a standard question that may be found in a C4 mathematics paper. Students should use knowledge of the volume of revolution formula V = piint_{a}^{b} y²dx to find the expression V =...