)Samantha opened a tin of white paint. The paint consisted of a liquid particles of titanium dioxide that are insoluble in the liquid. The paint had separated into two layers, as shown below

a compund an element a mixture

a mixture

Explanation:

A mixture is a material made up of two or more components joined together, but not chemically combined. In a mixture, a chemical reaction does not occur and each of its components maintains its identity and chemical properties.

A compound is a substance formed by the chemical combination of two or more different elements from the periodic table. The elements of a compound cannot be divided or separated by physical processes. They are not mixtures or alloys

An element is a type of matter made up of atoms of the same class.  It is an atom with unique physical characteristics, that substance that cannot be decomposed by a chemical reaction.

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a is the correct answer