Coral reef. Coral reefs are diverse underwater ecosystems held together by calcium carbonate structures secreted by corals. Coral reefs are built by colonies of tiny animals found in marine water that contain few nutrients. Most coral reefs are built from stony corals, which in turn consist of polyps that cluster in groups. The polyps belong to a group of animals known as Cnidaria, which also includes sea anemones and jellyfish. Unlike sea anemones, corals secrete hard carbonate exoskeletons which support a
Ketamine Street Names. Ketamine is a dissociative anesthetic that can cause the user to feel out of his or her body. The term dissociative means that the user will disassociate with him or herself while under the influence of the drug. This can cause a wide array of reactions including adverse behaviors, odd patterns of thought and erratic actions.
This had risen to 2.1 per cent by 2010/11. A 2009 survey in the specialist clubbing magazine Mixmag suggested that as many as 68 per cent of clubbers had tried the drug. The DrugScope Street Drug Trends Survey 2011 reported a rise in both use of, and problems associated with, ketamine.