Final answer:
Homogeneous vs. heterogeneous mixtures, compounds, and elements explained.
Explanation:
Homogeneous mixtures have a uniform composition throughout, like solutions, while heterogeneous mixtures have distinct phases that are visible, like suspensions. Compounds are made of two or more types of atoms chemically bonded, such as water (H2O), while elements are pure substances made of only one type of atom, like oxygen (O).
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