Word group: Many complicated ideas abou...

Many complicated ideas about the rainbow have been formed. The difference in the rainbow depends considerably upon the size of the drops and the width of the colored band increases as the size of the drops increases. The actual primary rainbow observed is said to be the effect of super imposition of a number of bows. If the red of the second bow falls upon the green of the first the result is to give a bow with an abnormally wide yellow band since red and green light when mixed form yellow. This is a very common type of bow one showing mainly red and yellow with little or no green or blue.

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English Paragraph Ian Quillen

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