Which nation is the largest in oceania both in size and population?

Gold is not now being extracted from seawater. why not? a. it would be too disruptive to marine life to develop any marine mineral resources b. there is no gold in seawater c. we don't know how to extract minerals from seawater d. it would be too costly and difficult to separate the small amount of gold from the very large amounts of halite and other minerals

The earth is composed of three different chemical layers: core, mantle and crust. the formation of these layers was from a process called

Asap will mark geography final plz ! what are the benefits of international aid? (give me the right evidence )