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Nitrates used in agricultural fertilizers may leak into the ground and may contaminate well water. The current EPA standard of 10 ppm nitrate-nitrogen for drinking water is specifically set to protect infants. [13] Benzocaine applied to the gums or throat (as commonly used in baby teething gels, or sore throat lozenges) can cause methemoglobinemia.
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The benefits are largely due to tennis’s impact on heart health. Playing tennis three hours a week can reduce your risk of heart disease by over 50%, per the United States Tennis Association (USTA).
This list of University of Florida tennis players includes former athletes of the men's and women's tennis teams of the University of Florida who have competed on the professional tennis circuit. The list includes such athletes as Lisa Raymond , Nicole Arendt , Jill Craybas , and Jesse Levine .
The US Open women's singles championship is an annual tennis event that has been held since 1887 as part of the US Open [a] [b] tournament. The tournament is played on outdoor hard courts [ c ] at the USTA Billie Jean King National Tennis Center in Flushing Meadows – Corona Park , New York City.
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In the NO − 3 anion, the oxidation state of the central nitrogen atom is V (+5). This corresponds to the highest possible oxidation number of nitrogen. Nitrate is a potentially powerful oxidizer as evidenced by its explosive behaviour at high temperature when it is detonated in ammonium nitrate (NH 4 NO 3), or black powder, ignited by the shock wave of a primary explosive.
Human health effects of eutrophication derive from two main issues excess nitrate in drinking water and exposure to toxic algae. [50] Nitrates in drinking water can cause blue baby syndrome in infants and can react with chemicals used to treat water to create disinfection by-products in drinking water. [ 51 ]