2014 Cook Islands Nano Sea $10 Legal Tender Silver Coin with Nano Chip

2014 Cook Islands Nano Sea $10 Legal Tender Silver Coin with Nano ChipAlmost three-quarters of our planet is covered by water. 90 percent of the expanse of water is spread out amongst the three large oceans – the Pacific Ocean, the Atlantic Ocean and the Indian Ocean. Additionally, there are a number of semi-enclosed seas. Depending on where they are located, one speaks of a Mediterranean, an inland or a marginal sea. The deepest spot at just over 37,500 feet is situated in the Mariana Trench in the western Pacific. The offshore biosphere is divided into pelagic zones. The topmost