What is the relationship between thermocline and hydrothermal vent? need more info

Hydrothermal vents provide both a thermocline and a chemocline; the areas closer to the vent are both hotter and more chemically rich

Explanation:

Hydrothermal vents provide both a thermocline and a chemocline.

The areas closer to the vent are both hotter and more chemically rich, while areas further from the vent are cooler and less chemically rich.

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answer conditional instability;