... the earth can not live without the water - Maintain the life of everything on the earth - Help to regulate us planet temperature, help the earth not so hot - Imagine the Earth without water The. .. liquids in the ocean directly affects the marine life, they raise the temperature of the ocean Animals and plants that cannot survive at higher temperatures eventually perish Third, The water and the. ..What is the Ocean? Covering more than 70 percent of our planet, oceans are among the earth’s most valuable natural resources They govern the weather, clean the air, help feed the world, and