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The percentage of POEA varies. A 1997 US government report said that Roundup is 15% POEA while Roundup Pro is 14.5%. [136] Since POEA is more toxic to fish and amphibians than glyphosate alone, POEA is not allowed in aquatic formulations. [137] [136] [138] As of 2000, at least 58 studies existed on the effects of Roundup on a range of organisms ...
In the United States, use of Roundup experienced rapid growth following the commercial introduction of a glyphosate-resistant soybean in 1996. [75] "Roundup Ready" became Monsanto's trademark for its patented line of crop seeds that are resistant to Roundup. Between 1990 and 1996 sales of Roundup increased around 20% per year. [76]
2,4-Dichlorophenoxyacetic acid is an organic compound with the chemical formula Cl 2 C 6 H 3 OCH 2 CO 2 H.It is usually referred to by its ISO common name 2,4-D. [4] It is a systemic herbicide that kills most broadleaf weeds by causing uncontrolled growth, but most grasses such as cereals, lawn turf, and grassland are relatively unaffected.
There are three basic types of freshwater ecosystems: Lentic (slow moving water, including pools, ponds, and lakes), lotic (faster moving water, for example streams and rivers) and wetlands (areas where the soil is saturated or inundated for at least part of the time). Limnology (and its branch freshwater biology) is a study about freshwater ...
Following is a list of United States presidential candidates by number of votes received.Elections have tended to have more participation in each successive election, due to the increasing population of the United States, and, in some instances, expansion of the right to vote to larger segments of society.
By 2008, 41% of people (73.2 million) in Brazil were getting artificially-fluoridated water. [27] Water fluoridation was first adopted in Brazil in the city of Baixo Guandu, ES, in 1953. A 1974 federal law required new or enlarged water treatment plants to have fluoridation, and its availability was greatly expanded in the 1980s, with optimum ...
The best 10% and worst 10% remain unchanged from their 2018 poll (top five: F. D. Roosevelt, Lincoln, Washington, T. Roosevelt, Jefferson; bottom five: A. Johnson, Buchanan, Trump, Harding, Pierce). 41% of the scholars polled said that if a president were to be added to Mount Rushmore, it should be FDR. 63% believed that the president should be ...
Hydrogen peroxide is a chemical compound with the formula H 2 O 2.In its pure form, it is a very pale blue [5] liquid that is slightly more viscous than water.It is used as an oxidizer, bleaching agent, and antiseptic, usually as a dilute solution (3%–6% by weight) in water for consumer use and in higher concentrations for industrial use.