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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.
2,4-Dinitrotoluene (DNT) or dinitro is an organic compound with the formula C 7 H 6 N 2 O 4. This pale yellow crystalline solid is well known as a precursor to trinitrotoluene (TNT) but is mainly produced as a precursor to toluene diisocyanate .
PPP is often used to gauge global poverty thresholds and is used by the United Nations in constructing the human development index. [3] These surveys such as the International Comparison Program include both tradable and non-tradable goods in an attempt to estimate a representative basket of all goods. [3]
Economics (/ ˌ ɛ k ə ˈ n ɒ m ɪ k s, ˌ iː k ə-/) [1] [2] is a social science that studies the production, distribution, and consumption of goods and services. [3] [4] Economics focuses on the behaviour and interactions of economic agents and how economies work.
Below is the grading system found to be most commonly used in United States public high schools, according to the 2009 High School Transcript Study. [2] This is the most used grading system; however, there are some schools that use an edited version of the college system, which means 89.5 or above becomes an A average, 79.5 becomes a B, and so on.
This brings a moral resonance to development rhetoric and makes it hard to avoid in today's discourse. Rights are defined as entitlements that belong to all human beings regardless of race, ethnicity, or socio-economic class; [11] all humans, therefore, are rights holders, and it is someone's duty to provide these rights. Who is responsible to ...
2,4-Xylidine is an organic compound with the formula C 6 H 3 (CH 3) 2 NH 2. It is one of several isomeric xylidines. It is a colorless viscous liquid. Commercially significant derivatives include the veterinary drug cymiazole and the colorant Pigment Yellow 81. [1] Genotoxic and teratogenic, 2,4‑xylidine is an industrial pollutant. [2]
Microbial metabolism in products treated with TBP is known to produce 2,4,6-tribromoanisole (TBA), [9] which has a musty odor. In 2010 and 2011, Pfizer and Johnson & Johnson voluntarily recalled some products due to TBA odors from wooden pallets which were treated with TBP. [10] [11] [12] [13]