Activity • Andes • Animals • Approximately • Around • Avalanche • Bacteria • Benthic • Challenger • Chemicals • Dead • Deepest • Depth • Describe • Feeds • Fire • Heat • How • Light • Main • Meters • Midnight • Mountain • Oceanic • Organic • Pacific • Part • Plankton • Plants • Produces • Range • Rather • Reaction • Rich • Ridge • Rocks • Runs • Sea • Sedimentation • Shelf • Sink • Snow • Two • Type • Underwater • Used • Vents • Volcanic • Zone • Zones