Left in contact with oxygen, iron will react with the oxygen to form rust. Unlike fire, though, the reaction is much slower and does not create a flame. There are certain factors that can speed up the rusting process. For example, water speeds up the reaction.
An aria is a long song accompanying a solo voice. An aria is usually in an opera. It is an Italian word of the 18th century meaning âairâ (i.e. a tune). A small amount of text is used in an aria. Characteristics include the use of melismas, repetition and sequences.
aria - an elaborate song for solo voice. 1  opera - a drama set to music; consists of singing with orchestral accompaniment and an orchestral overture and interludes. 2  song, vocal - a short musical composition with words; a successful musical must have at least three good songs. 3  arietta, short aria - a short aria.