Answer :
The correct answers to this question are:
- Significant changes in surface and deep ocean currents (b).
- A change from a more permanent el Nino......... to a more la Nina like normal (d).
- A change from a time of enhanced productivity........ to a time of low productivity (e).
Understanding the Tale of Two Oceans
A tale of two oceans is the short title of a scientific publication written by Jose Abel Flores and Gabriel M. Filippelli. The full title of this geological research is "From the Warm Pliocene to the Cold Pleistocene: A Tale of Two Oceans". In general, this study states the Pliocene and Pleistocene oceans are completely different in terms of biological productivity, circulation, also the state of upwelling.
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