Altogether about 2500 volcanoes exist on Earth, and during the last 3500 years, 959 of them erupted.About 360 mln.people live in dangerous proximity to actve volcanoes.On average about 50 volcanoes erupt each year.Catastrophic events may result from six volcanic processes, viz.1) ejection of rock debris; 2) lava flows; 3) ejection of volcanic Teddy
Aneurysmal bone cysts are benign bone tumors that most commonly occur in people younger than 30 years.The cysts are most often found in the metaphyses of long bones and rarely affect the skull.We present a 54-year-old woman with a rapidly enlarging mass in the left occipital region that caused tenderness for 2 weeks.Computed Twin Bookcase Bed tomog
ABSTRACT BACKGROUND: The social distancing measures during the coronavirus disease 2019 (COVID-19) pandemic resulted in mental suffering among adolescents, leading to risky consumption of psychoactive substances such as tobacco.OBJECTIVE: To analyze the factors associated with tobacco use among adolescents during the COVID-19 social distancing peri
The comparison of various ancient Indo-European languages shows that Proto-Indo-European did not have an anaphoric object in cases of coordination, conjunct participles and in question-answer constructions.Its absence is in accordance with the active type of early Proto-Indo-European in which there was no category of syntactic transitivity, verbs h
The purpose of this research is to investigate a variety of approaches to the conversion of biomass, with a particular emphasis on employing anaerobic digestion and biogas upgrading systems.An analysis of the existing technologies is performed, with a focus on highlighting the benefits and downsides of each alternative.In order to Lubricants assess