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.
Europe's highest active volcano, Mount Etna, spews lava in January 2012. The volcano is located in Sicily. Mount Etna's vent is sometimes topped with snow during the winter. Lava flows into the ocean from Kilauea, the youngest of the volcanoes on Hawaii's Big Island.