Labels:bannister | car | earth | escalator | person | plant | read only memory chip | road | sky | tree OCR: The Fabric Colou All visible objects give off light, either as source or as a reflector Things which don 't produce light are coloured by, a process called colour subtraction When white light. falls onto an object some of it is absorbed and the rest is reflected The mOrE llight is reflected away the more colourful the object becomes. People sought su hstances which were good at subtracting colours because they were excel llent for making pigments, dyes paints and inks Cochinreal is one such substa nce which is pasn as food dye, it was made from crushing inseci which fed ioff a type 01 cactus Wher etlec colourfu soughi substances poob used
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