Water politics is politics affected by water and water resources. Feathers insulate birds from water and cold temperatures. They stayed at the mouth of the river independent of the salinity of the water. The ships appeared to clip along the ocean water. See List of boiling water reactors. All the houses had access to water and drainage facilities. During the drying process, the condenser traps water. It calls for clean water and sanitation for all people. Fish swim by exerting force against the surrounding water. Biodegradation in water and soil is slow. First, dissolves in the surface water. It is one of the methods used in the purification of water. Eight employees drank some of the contaminated water. When iron is in contact with water and oxygen it rusts. Ensuring sustainable food security under land, water, and energy stresses.