Hot-water (from 350°C and above) hydrothermal vents form ________. A. white smokers B. black smokers C. turbidity currents D. cold seeps E. abyssal hills
A Hydrothermal vent is formed by the volcanic eruptions near seawater or ocean water when the hot molten magma is heated it rushes outside through a vent.
The average temperature of hydrothermal vent water is around 450° Celsius.
The sulfide present in molten lava comes in contact with the ocean water or sea water it leaves the color of vent black.