Extents of reaction provide the clearest and most explicit way of representing compositional change, although they are not yet widely used.

As magma rises and cools, it undergoes many complex and dynamic compositional changes.

Addition and loss of water, carbon dioxide, hydrogen, and oxygen are among the compositional changes that must be considered.

This compositional change has not yet been found.

If these quantities do not appear, it is impossible to describe compositional changes.

Still, cholesterol levels have come down from a high of 240 milligrams to 200 due to compositional changes in the American diet.

The image also shows widespread differences in brightness in the east and west, which probably reflect compositional changes.

They cited calculations indicating that, if the boundary were a compositional change, slabs would dent the transitional zone by well over 100 miles.

Moreover, there is no compositional change so the atoms generally retain their same neighbors.

The 1p and 2p underwent a compositional change from bronze to plated steel in 1992.