Answer:
Under the Regulation on Classification, Labeling and Packaging of substances and mixtures (CLP), companies placing hazardous chemical mixtures such as detergents, paints, coatings, solvents, etc. on the market in Europe are required to provide notifications of the hazards of their products to enable poison centers to provide more effective emergency health response.
The type of composition where a group of people sing and they mostly just comment on the 'moral' of the story or re-state what we already know is called Chorus.
<h3>What is an Opera?</h3>
This is known to be a kind of an art form that is made up of singers and musicians that carry out a dramatic work through the use off text (libretto) and musical score, and it is done in a theatrical setting.
Therefore, The type of composition where a group of people sing and they mostly just comment on the 'moral' of the story or re-state what we already know is called Chorus.
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