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Alpha, beta, gamma
In a river channel, erosion is the process that wears away the river bed and banks. If you were to look at the sides and bottom of a river channel beneath the water, we would not see smoo...
Body temperature must be maintained around 37°C as the enzymes in our body work best at this temperature. The thermoregulatory centre in the brain contains receptors that detect the temperature of blood, ...
There are two forms of passive sentences in the German language: the Zustandspassiv, passively describing a fixed condition, and the Vorgangspassiv, passively describing an ongoing proce...
bends light as it enters the eye
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