Oceanografie
curenti,maree,valuri,tsunami,salinitate,el nino,cel mai mare ocean,cel mai adanc,fosele oceanice,fundul oceanului,muntii de sub ocean,dorsalele,care este cel mai sarat,are apele cele mai calde,currents, tides, waves, tsunami, salinity, El Nino, the largest ocean, the deepest, septic ocean, ocean floor under the ocean mountains, ridges, which is the salt, has the warmest waters