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Social Studies, 18.03.2020 23:52 haitiindianari
Your friend is having a hard time with the terminology in this unit. He is confused between the terms pure substances, mixtures, elements, compounds, homogeneous, and heterogeneous, as well as the difference between physical and chemical changes. Without just reciting the definitions, explain each term to your friend and provide at least two examples of each that will help him understand the concepts better.
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Your friend is having a hard time with the terminology in this unit. He is confused between the term...
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