Answer:

Matter -

--material substance that constitutes the observable universe and, together with energy, forms the basis of all objective phenomena

Substances

A substance is matter which has a specific composition and specific properties.

Element

An element is a substance that cannot be broken down into any other substance.

Compound

A substance consisting of atoms or ions of two or more different elements in definite proportions joined by chemical bonds into a molecule.

Mixture

A mixture is made when two or more substances are combined, but they are not combined chemically.

Homogeneous

A mixture in which the composition is uniform throughout the mixture.

Heterogenous

A heterogeneous mixture is a mixture in which the composition is not uniform throughout the mixture.

Explanation:

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