Which consequence results when decreased density contrast in ocean gyres?

💡 Explanation

Reduced density contrast weakens the pressure gradient force, and slows down geostrophic flow because this force drives gyre circulation; therefore heat transport diminishes rather than intensifying upwelling or deep water formation, under these limited conditions.

• Which phenomenon initiates volcanic island formation above hotspots?
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• Which geological outcome primarily causes terracing in periglacial environments exhibiting solifluction?
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