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 was an Old Persian satrapy, which enclosed chiefly the valley of the Hari River (Greek á¼Ï(Îµ)Î¹Î¿Ï, this being eponymous to the whole land according to Arrian) and which in antiquity was considered as particularly fertile and, above all, rich in wine.