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Ref: https://www.google.com/search?rlz=1C5GCEA_enLK882LK883&ei=5S7rX7WrN8jw9QOh-4KYAQ&q=chemical+tests&oq=chemical+tests&gs_lcp=CgZwc3ktYWIQAzIFCAAQyQMyAggAMgIIADICCAAyAggAMgIIADICCAAyAggAMgIIADICCAA6CAgAEMkDEJECOgUIABCRAjoKCAAQsQMQgwEQQzoICAAQsQMQgwE6BQgAELEDOgIILjoECAAQQzoOCC4QsQMQgwEQxwEQrwE6BwguELEDEEM6BQguELEDOgoIABCxAxDJAxBDOgcIABCxAxBDOggILhDHARCvAToGCAAQFhAeOggIABAWEAoQHlDs-esXWIea7BdgrZvsF2gCcAF4AYABoQKIAeARkgEGMC4xMy4ymAEAoAEBqgEHZ3dzLXdperABAMABAQ&sclient=psy-ab&ved=0ahUKEwj1se7ipfPtAhVIeH0KHaG9ABMQ4dUDCA0&uact=5

phonology describes the way sounds function within a given language or across languages to encode meaning. For many linguists, phonetics belongs to descriptive linguistics, and phonology to theoretical linguistics, although establishing the phonological system of a language is necessarily an application of theoretical principles to analysis of phonetic evidence.

Phonology is a branch of linguistics that studies how languages or dialects systematically organize their sounds (or signs, in sign languages). The term also refers to the sound system of any particular language variety. At one time, the study of phonology only related to the study of the systems of phonemes in spoken languages

Global warming is the long-term heating of Earth’s climate system observed since the pre-industrial period due to human activities, primarily fossil fuel burning, which increases heat-trapping greenhouse gas levels in Earth’s atmosphere. The term is frequently used interchangeably with the term climate change, though the latter refers to both human- and naturally produced warming and the effects it has on our planet. It is most commonly measured as the average increase in Earth’s global surface temperature.

The amateurs are now targeting other companies that have been heavily shorted by hedge funds, including AMC Entertainment, Koss Corp and BlackBerry. All have seen their share prices spike, only to fall back overnight.

In the UK, shares in Pearson and Cineworld rose on Wednesday amid speculation they could be next in line from Reddit's army of day traders. However, shares in both companies fell in early trading on Thursday.

Graphical user interface testing refers to the systematic process of generating test cases in order to evaluate the functionality of the system and its design elements.
https://digitalpromise.org/ Graphical user interface testing tools, which are either manual or automated and typically implemented by third-party operators, are available under a variety of licenses and are supported by a variety of platforms. Popular examples include Tricentis Tosca, Squish GUI Tester, Unified Functional Testing (UFT), Maveryx, Appium, and eggPlant Functional.

The resulting acoustic structure of concrete speech productions depends on the physical and psychological properties of individual speakers. Men, women, and children generally produce voices having a different pitch. Because speakers have vocal tracts of different sizes (due to sex and age especially) the resonant frequencies (formants), which are important for the recognition of speech sounds.