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What is a metaphor, and why might it be used?

A metaphor is the literary technique used to compare one thing with another by saying that it is that thing. For example, Alfred Noyes's poem, 'The Highway Man', begins with three metaphors: 'The wind was a ...
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Answered by Katriana J. English tutor
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Where does the geometric series formula come from?

Rearranging the terms of the series into the usual "descending order" for polynomials, we get a series expansion of: ax n-1 + ........ax + a A basic property of polynomials is that if you divide x ...
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Answered by Naheem A. Maths tutor
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What are the differences between DNA and RNA?

There are three main differences between DNA and RNA: 1. RNA has the base uracil instead of the base thymine . These bases are very similar and differ by only one chemical group! 2. RNA nucleotides have a ri...
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Answered by Charlotte C. Biology tutor
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What is the marketing mix?

The marketing mix, commonly associated with the 4Ps, describes the various factors that firms consider when marketing a product. These marketing mix is based upon the firm’s knowledge of its customers and th...
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What is nuclear fusion?

When two atomic nuclei are heated to a very high temperature and high pressure, for example inside a star, their nuclei can join to make a larger nucleus. Energy is released when this fusion takes place and ...
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Answered by Katherine R. Physics tutor
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