This property of both nitro and nitrate groups is because their thermal decomposition yields molecular nitrogen N 2 gas plus considerable energy, due to the high strength of the bond in molecular nitrogen.
Mount Ararat (16,940 feet, 5165 m) is the largest volcano in Turkey. Although not currently active, its most recent eruption has probably been within the last 10,000 years.
2) Mount Etna-Sicily, Italy. Mount Etna is the highest active volcano in Europe. Its elevation is more than 3 200 metres and it's base has a circumference of 150 kilometres. Etna's most violent eruption was in 1669, during which lava flows destroyed villages around its base and submerged part of the town of Catania.