Congregational singing of chorales was an important way for people to?

It was an important way for people to "participate directly in the service".

Chorale is the name of a few related melodic structures starting in the music class of the Lutheran chorale. The chorale started when Martin Luther forked consecrated melodies in vernacular dialect from built up practices of chapel music close to the finish of the main quarter of the sixteenth century.

an aneroid barometer is different from a mercury barometer in that it provides readings that increase as air pressure increases.

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~kinetic ~potential

explanation:

kinetic and potential energies would be types of mechanical energies.