A dark liquid ejected for protection by most cephalopods, such as the octopus and squid. Ink consists of really concentrated melanin. The Chinese experimented with printing not less than as early as advert 500, with inks from plant substances blended with coloured earths and soot or lampblack. When Johannes https://edwinfaqgy.blogoxo.com/36824917/the-definitive-guide-to-how-to-draw-with-ink-pens