what is the name of the layer where water temperature drops rapidly?\nthermocline\npycnocline\npressure

what is the name of the layer where water temperature drops rapidly?\nthermocline\npycnocline\npressure
Answer
Brief Explanations:
The thermocline is the ocean layer where water temperature decreases rapidly with depth. Pycnocline refers to the layer where water density changes sharply, and pressure is a physical property, not a temperature-changing layer.
Answer:
Thermocline