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However, these values differ greatly among the world's regions: for example, in Sichuan, China the average daily fluoride intake is only 0.1 mg/day in drinking water but 8.9 mg/day in food and 0.7 mg/day directly from the air due to the use of high-fluoride soft coal for cooking and drying foodstuffs indoors. [14]
Percentage. In mathematics, a percentage (from Latin per centum 'by a hundred') is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign (%), [1] although the abbreviations pct., pct, and sometimes pc are also used. [2] A percentage is a dimensionless number (pure number), primarily used for expressing ...
About 20 to 30 employees works in a small McDonalds branch. ... consisting of a third-pound (150 g) beef patty ... containing 90% lean beef and 10% water with ...
Iridium is a chemical element; it has symbol Ir and atomic number 77. A very hard, brittle, silvery-white transition metal of the platinum group, it is considered the second-densest naturally occurring metal (after osmium) with a density of 22.56 g/cm 3 (0.815 lb/cu in) [ 8] as defined by experimental X-ray crystallography. [ a] 191 Ir and 193 ...
The United States ten-dollar bill (US$10) is a denomination of U.S. currency.The obverse of the bill features the portrait of Alexander Hamilton, who served as the first U.S. Secretary of the Treasury, two renditions of the torch of the Statue of Liberty (Liberty Enlightening the World), and the words "We the People" from the original engrossed preamble of the United States Constitution.
Pricing is the process whereby a business sets the price at which it will sell its products and services, and may be part of the business's marketing plan. In setting prices, the business will take into account the price at which it could acquire the goods, the manufacturing cost, the marketplace, competition, market condition, brand, and ...
In the case of Guiyu China, the region with the world's highest levels of cancer-causing dioxins, [40] discharge water runs off into Lianjiang River. The Lianjiang River is considered to be a category 5 river; meaning that according to the Chinese Ministry of Environmental Protection, the water quality is not safe for human consumption or ...
The quarter, formally known as the quarter dollar, is a denomination of currency in the United States valued at 25 cents, representing one-quarter of a dollar. Adorning its obverse is the profile of George Washington, while its reverse design has undergone frequent changes since 1998. Since its initial production in 1796, the quarter dollar has ...