Second ozone hole was detected over Tibet in the year 2006.
Ozone is a form of oxygen, acts as a high-altitude atmospheric screen against cancer-causing ultraviolet light.
The main source of these halogens in the stratosphere is photodissociation of man made halocarbon refrigerants, solvents, propellants and CFC's.
The Capital city of Ethiopia is Addis Ababa.
Countries and Capital cities ::
Angola - Launda
Burundi - Bujumbura
Chile - Santiago
TRIM "Trade-related Investment Measures", an agreement within the Uruguay round trade negotiations.
TRIPS "TRADE-RELATED ASPECTS OF INTELLECTUAL PROPERTY RIGHTS, is an international legal agreement between all the member nations of the World Trade Organization (WTO).
Strait of Messina seperates Italy and Sicily , while Strait of Bonifacio is located between Corsica and Sardinia and Strait of Otranto is found between Italy and Albania.
The greatest single drop of the waterfall, Salto Angel of Venezuela, measures 807m and the width at the base is about 150 m. From top to bottom the Angel falls measures 979 m - almost 1 km.
Groundwater is all the water that has penetrated the earth's surface and is found in one of two soil layers. The one nearest the surface is the "zone of aeration", where gaps between soil are filled with both air and water. Below this layer is the "zone of saturation", where the gaps are filled with water.
The Great Depression was a severe worldwide economic depression that took place mostly during the 1930s, beginning in the U.S. The timing of the Great Depression varied across nations; in most countries it started in 1929 and lasted until the late-1930s. It was the longest, deepest, and most widespread depression of the 20th century. In the 21st century, the Great Depression is commonly used as an example of how far the world's economy can decline.
Kazakhstan is the largest landlocked country in the world with an area of 2,724,900 km˛ and the ninth largest in the world. Kazakhstan is located in Central Asia bordering 5 countries, China, Kyrgyzstan, Russia, Turkmenistan, and Uzbekistan.
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