Which of the following best describes the difference between a mixture and a pure substance? A. A mixture has the same properties throughout; a pure substance has the different properties throughout. B. A mixture has different properties throughout; a pure substance has the same properties throughout A mixture is made up of only one type of atom; a pure substance is made up of more than C. one type of atom. A mixture is made up of more than one type of atom; a pure substance is made up of only D. one type of atom.

B. A mixture has different properties throughout; a pure substance has the same properties throughout

Explanation:

We have two classes of substances which are pure and impure substances.

Pure substances are elements and compounds

Impure substance are simply mixtures.

Mixtures have the following properties;

they include patterns; cause and effect; scale, proportion, and quantity; systems and system models; energy and matter; structure and function; and stability and change.

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the positions which points up in upward carbon and down in downward carbon are axial

and vice versa holds true for equatorial positions

so the correct answer with labelled diagram will be