Are there any islands on earth that aren't owned by any countries?

The action of eventually a low island to form. a. wind b. waves c. volcanoes d. tectonic plates

How did mercantilist policies european countries build wealth and power

With these question would be nice i needs them in a hurry which nation leads eastern europe in nuclear energy usage? a ukraine b lithuania c slovakia d solvenia which eastern european nation is popular with skiers? a czech republic b estonia c bulgaria d none are