Zinc is naturally present in water. The average zinc concentration in seawater is 0.6-5 ppb. Rivers generally contain between 5 and 10 ppb zinc. Algae contain 20-700 ppm, sea fish and shells contain 3-25 ppm, oysters contain 100-900 ppm and lobsters contain 7-50 ppm.
Cyanides (more exactly as cyanogenic glycozides) exist in cassavaroots, and fruit seeds as apricots, prunes, peaches, almonds etc. Cyanide is historically found in the seeds â¦of some fruits. Applesseeds contain cyanide, but a person would have to eat a lot ofapple seeds for the cyanide to have any negative effects. Cyanide is natural found in certain foods. This includes cassava,almonds, pits of some types of fruit, and Lima beans.
Cyan (/ËsaÉª.Én/ or /ËsaÉª.aen/) Ã¦n is a-greenish blue. Color on the color wheels of THE (rgb) additive AND (cmyk) subtractive color, models it is located midway between blue and, green making it the complementary color of. Red its name is derived from The Ancient greek, ÎºÏÎ±Î½ÏÏ transliterated, kÃ½anos meaning dark. blueurther origins of the color name can be traced back to a dye produced from the cornflower (Centaurea cyanus). The web color cyan is synonymous with aqua. In most languages, 'cyan' is not a basic color term and it phenomenologically appears as a greenish vibrant hue of blue to most English speakers.