Check all the characteristics below that describe

Compounds

Two or more elements,

Two or more elements, Chemically combined elements,

Two or more elements, Chemically combined elements, More and definite proportions.

Explanation:

A compoundcan be definedas a substance which is composed of two or more elements, that are combined together chemically.

These constituents elements are present in definite proportion and quantities. The composing elements of a compound can be separated only by the means of chemical procedures. A compound is composed of more than one type of atom.

Hence answer could be:

Two or more elements,

Two or more elements, Chemically combined elements,

Two or more elements, Chemically combined elements, More and definite proportions.