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Given that the problem of high textbook prices is linked to the "broken" economics of the market, requiring publishers to disclose textbook prices to faculty is a solution pursued by a number of legislatures. [23] By inserting price into sales interactions, this regulation will supposedly make the economic forces operate more normally.
Chemistry is the scientific study of the properties and behavior of matter. [1] It is a physical science within the natural sciences that studies the chemical elements that make up matter and compounds made of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during reactions with other substances.
Biology is the scientific study of life. [1] [2] [3] It is a natural science with a broad scope but has several unifying themes that tie it together as a single, coherent field.
where = is the reduced Planck constant.. The quintessentially quantum mechanical uncertainty principle comes in many forms other than position–momentum. The energy–time relationship is widely used to relate quantum state lifetime to measured energy widths but its formal derivation is fraught with confusing issues about the nature of time.
The three most common childhood cancers are leukemia (34%), brain tumors (23%) and lymphomas (12%). [219] In the United States cancer affects about 1 in 285 children. [ 220 ] Rates of childhood cancer increased by 0.6% per year between 1975 and 2002 in the United States [ 221 ] and by 1.1% per year between 1978 and 1997 in Europe. [ 219 ]
Defence expenditure was pegged at US$70.12 billion for fiscal year 2022–23 and, increased 9.8% than previous fiscal year. [ 290 ] [ 291 ] India is the world's second-largest arms importer; between 2016 and 2020, it accounted for 9.5% of the total global arms imports. [ 292 ]
The word pesticide derives from the Latin pestis (plague) and caedere (kill). [5]The Food and Agriculture Organization (FAO) has defined pesticide as: . any substance or mixture of substances intended for preventing, destroying, or controlling any pest, including vectors of human or animal disease, unwanted species of plants or animals, causing harm during or otherwise interfering with the ...
A microorganism, or microbe, [a] is an organism of microscopic size, which may exist in its single-celled form or as a colony of cells.. The possible existence of unseen microbial life was suspected from ancient times, such as in Jain scriptures from sixth century BC India.