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.
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).
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.
There are 13 colonies and are ruled by England.
The farthest north colony - Massachusetts
The farthest south colony - Georgia
The oldest colony - Virginia
The colony between the 2 parts of Massachusetts - New Hampshire
China shares land borders with 14 different countries, the longest being with Mongolia followed by Russia and then India.
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