One continent is Antarctic continent, one ocean is Atlantic ocean
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ANSWER:</h2>
<u><em>If you have found a radiometric age for the surrounding layers of volcanic ash, you can say that the age of the intervening layer is halfway between those specific dates.</em></u>
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Answer:
barchan
Explanation:
sand dunes make the wind erosion
It would be Puerto Rico, though it is not a state, it is still part of the U.S. Hope it helps!