Answer:
Explanation:homogeneous mixtures may be considered examples of pure substances. Examples of homogeneous mixtures include vegetable oil, honey, and air. While these substances contain multiple types of molecules, their composition is consistent throughout a sample. "This is how its considered pure "
Mixtures, on the other hand, are considered impure substances. A mixture is created when substances combine but no chemical reaction occurs. In general, a mixture can be separated into its original components, while a pure compound cannot
"This is how its considered as not pure"