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Salt | |
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State | |
Country | |
Capital | |
Population | 0 |
Salt is a mineral composed primarily of sodium chloride (NaCl), a chemical compound belonging to the larger class of salts; salt in its natural form as a crystalline mineral is known as rock salt or halite. Salt is present in vast quantities in seawater, where it is the main mineral constituent. The open ocean has about 35 grams (1.2 oz) of solids per liter of sea water, a salinity of 3.5%.
Salt is essential for life in general, and saltiness is one of the basic human tastes. Salt is one of the oldest and most ubiquitous food seasonings, and salting is an important method of food preservation.
Some of the earliest evidence of salt processing dates to around 6,000 BC, when people living in the area of present-day Romania boiled spring water to extract salts; a salt-works in China dates to approximately the same period. Salt was also prized by the ancient Hebrews, the Greeks, the Romans, the Byzantines, the Hittites, Egyptians, and the Indians. Salt became an important article of trade and was transported by boat across the Mediterranean Sea, along specially built salt roads, and across the Sahara on camel caravans. The scarcity and universal need for salt have led nations to go to war over it and use it to raise tax revenues. Salt is used in religious ceremonies and has other cultural and traditional significance.
Charlotte | |
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State | Texas |
Country | United States of America |
Capital | |
Population | 1811 |
Postcode | 78011 |
Charlotte () is the most populous city in the U.S. state of North Carolina. Located in the Piedmont, it is the county seat of Mecklenburg County. In 2019, the U.S. Census Bureau estimated the population was 885,708, making it the 15th-most populous city in the U.S. and the second-largest in the Southeast behind Jacksonville, Florida. The city is the cultural, economic, and transportation center of the Charlotte metropolitan area, whose population ranks 22nd in the U.S., and had a population of 2,569,213, in 2018. The Charlotte metropolitan area is part of a sixteen-county market region or combined statistical area with a 2018 census-estimated population of 2,728,933.Between 2004 and 2014, Charlotte was ranked as the country's fastest-growing metro area, with 888,000 new residents. Based on U.S. Census data from 2005 to 2015, Charlotte tops the U.S. in millennial population growth. It is the second-largest city in the southeastern United States, just behind Jacksonville, Florida. It is the third-fastest-growing major city in the United States.