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On the flat straight road, the cyclist will travel at a constant speed if the work done by the cyclist is equal to the sum of the energy lost to air resistance by the cyclist and the frictional losses wit...

[The Subject & Level bar would not let me choose A Level for some reason, so the question and answer I am providing is for an A Level student, despite the fact it is under the heading English Literatu...

Calculating the milk yield of mother cows and their offspring can indicate which animals have good breeding genetics. Bulls also play an important role in generating a good milk yield, and their offspring...

An example could be the peppered moth which changed its colour in order to blend into the environment as it changed with the industrial revolution.Should explain that natural selection is where advantageo...

Source questions in a history exam may seem complicated, but once you understand the method by which to analyse them, the technique is exactly the same, regardless of the time period being studied. The ke...