Answers

2014-05-05T14:30:03+05:30
Pen ink, marker ink, food coloring, dyes, felt pens, and colored pigments in plants
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pen ink and marker ink are also a kind of dye ...
2014-05-05T14:30:18+05:30
Food colouring and pen ink are examples.
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different pigments of chlorophyll like chlorophyll a , chlorophyll b. etc.