Choose the statement that correctly describes how elements and compounds are related. Multiple choice question.

A compound is a substance in which the atoms of two or more elements are physically combined in variable proportions.

An element is a substance in which the atoms of two or more compounds are chemically combined in a fixed proportion.

A compound is a substance in which the atoms of two or more elements are chemically combined in a fixed proportion.

A compound is a substance in which the atoms of two or more elements are chemically combined in a fixed proportion.

Explanation:

The correct answer is that a compound is a substance in which the atoms of two or more elements are chemically combined in a fixed proportion.

A compound is a substance composed of two or more kinds of atoms joined together in a definite grouping.

The properties of a compound are distinct and different from those of the individual elements that are combined in its make - up.

There are several millions of compounds known.

An element is a distinct substance that cannot be split-up into simpler substances. They are made up of only one kind of atom.

fdvwsa gfwsargebgeebbfwfwffw gwf   vgwgw gw f gwgw fgw v v dsv dwfff

the ozone layer acts as a filter for the shorter wavelength and highly hazardous ultraviolet radiation (uvr) from the sun, protecting life on earth from its potentially harmful effects. when the sky is clear, there is an inverse relationship between stratospheric ozone and solar uvr measured at the earth's surface.