Answer:
convention currents in the earth's mantle
Explanation:
the convention currents move the plates and that is how plates move
The answer for this question is B
The greatest threats to coral reefs is the rising temperature of the oceans as a result of climate change and the acidification of the oceans due to increased levels of carbon dioxide in the atmosphere which dissolves in the ocean and forms carbonic acid.Aug 3, 2015
Answer:
About 5billion years ago is the correct option.
Explanation:
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