Japan would be the island you are looking for
Answer:
Conflicts over trade, human migration and settlement, ideologies and religions, and exploitation of marine and land environments reflect how Earth's surface is divided into fragments controlled by different formal and informal political, economic, and cultural interest group.
The answer in finding the age of a sedimentary rock layer through radiometric dating can be assumed <span>between the absolute ages of the two igneous units.
Sedimentary rocks don't have radioactive elements so the beast way to know the age is through understanding what can elements in between can provide as evidence</span>
