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.
The second actress and the second soprano can only have three, and the inferior characters must be satisfied with a single aria each, or two at the most. The author of the words must [...] take care that two pathetic [i.e.. F. Robinson describes the standard aria in opera seria in the period 1720 to 1760 as follows: The first section normally began with an orchestral ritornello after which the singer entered and sang the words of the first stanza in their entirety.