A substance that contains two or more substances mixed together is a __________
Mixture
Explanation for Correct option :
(B) Mixture : A mixture has two or more than two substances combine together or are mixed together in any proportion. Example : Air.
Explanation for incorrect option :
(A) Compound : It contains two or more atoms combined together in a fixed proportion by mass. Example : Water
(C) Element : An element is a substance that is made up of only one kind of atoms. For example : Gold is made up of all ‘Au’ atoms.
(D) Molecule : A molecule is made up combination of two or more atoms. It can be homoatomic or heteroatomic. For example : and