This scientific work is devoted to the study of the results of the action of pesticides on the organism of experimental animals. At the beginning, a brief review of the literature devoted to this problem is given. The author also describes a method for determining the content of toxic substances in the liver tissues of experimental animals. The corresponding conclusions on the simplicity of the method are made.
The article describes the notions of integration and differentiation as the basic processes of language development, describes historical examples of integration and differentiation and the development of these processes at the present stage of language existence. The process of language integration which globalization explains has provoked opposition in the national languages, which manifests itself by strengthening the processes of differentiation.
This article highlights information about the implemented reforms in secondary schools of the Republic of Uzbekistan and its vilayats for 2017-2021, improving the level of knowledge of students and education based on international educational standards, as well as providing schools with textbooks.