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First I would read the question which you have been given. Underline the key words and think about what the question is really asking you as many mistakes have been made for answering the wrong question or t...

Rutherford's alpha scattering experiment showed that the majority of alpha particles fired at a thin sheet of gold leaf passed straight through. Some of the particles passed through the leaf with a small ang...

The diaphragm contacts and moves down. The intercostal muscles between the ribs contract. This causes the ribcage and the sternum to move up and out. The thorax increases in width from back to front. This re...

A strength of the functionalist approach to society is the explanation of how social order is achieved.Parsons argues that social order is achieved through the existence of a shared culture, a set or norms a...

The diaphragm contracts and flattens out, increasing the volume of the thorax and decreasing the pressure in there. This causes a pressure gradient between the thorax and the outside air, so air flows into t...