Why oceans and seas as called storehouse of resources?

How does the ridge-rift in the pacific ocean differ from that in the Atlantic ocean? What supplies and provisions do you need to cross the Sahara desert in medieval times? How deep is a castle moat? What is the type of mount McKinley? Is most of the freshwater on earth is found in river and lakes and is suitable for consumption true? Why does the sphinx festival take place? Is Betws y Coed a tourist honeypot? What is the longest river in Afghanistan? How many times does it rain per year in the great barrier reef? Which one among the following is responsible for the expansion of water in the ocean? Why do people go to the Yangtze river? Is this true or false far less fresh water is located underground than in all Earth's rivers and lakes? How many deaths on mount Everest? Did the lighthouse of Alexandria have an impact on the culture? What is unos turistas in singular form? Does altitude and latitude affect the desert? Does the river Rhine's temperature change along its length? What city is the southwestern tip of lake superior pointing at? When was the empire state building opened? What are facts about the Orinoco river?