Hydrothermal Vents occur along divergent plate boundaries on the ocean floor. Hydrothermal vent systems give off plumes of hot, mineral-laden water with temperatures as high as 350 degrees Celcius. The water is ejected through a spout known as black smokers. Metal-rich minerals precipitate out of the circling sea water and forms ores of copper, zinc and iron.
Answer: Most People of India (75%) are of Aryan descent and live in the northern part of India. Nearly about 22% of Indians are of Dravidian origin and live in the south
