Answer:
The answer is option (B) Hydrothermal vents
Explanation:
Alvin is a submersible ship (that operates underwater). The ship is owned by the United States Navy. It has the capability of diving into very deep and dark ocean depths to carryout underwater explorations.
Prominent among Alvin's explorations was its discovery of Hydrothermal vents in 1977. The discovery established that vents exist underwater and that they (the vents) spray minerals into oceans when heated by magma.
Taxes should be correct answer
It was a treaty where the Soviet republic of Russia signed peace with the German, Austrian and Ottoman empires and delivered the territories of Curonian Estonia, Finland, Poland, Lithuania, Livonia and Ukraine
Answer:
It corresponded with the warring states period of new feudalism
Explanation: