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Аккаунтыңызда көрсетілген электронды пошта адресін енгізіңіз. Осы поштаға арнайы тексеру коды жіберіледі. Сол кодты алғаннан кейін сіз жаңа құпиясөз көрсете аласыз.
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Chemistry
Lower Secondary
19. Soil and Its Properties
19. Soil and Its Properties
19.01. Soil Formation
19.02. The Composition of Soil
19.03. Properties of Soil – Absorptivity
19.04. Properties of Soil – Sorption
19.05. Filtration Kits – Interactive Presentation
19.06. The Reaction of Soil
19.07. Soil and Its Properties – Test
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