The A minor chord i7 is the A min 7 chord, and contains the notes A, C, E, and G. This tonic 7th chords root / starting note is the 1st note (or scale degree) of the A natural minor scale. The roman numeral for number 1 is 'i', and is used to indicate this is the 1st chord in the scale.
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more nitrogen gas became present in the atmosphere
Answer:
It continued a convention of medieval artworks, which was to communicate religious ideas.
Explanation:
This altarpiece allowed the pilgrims to respect Saint Antun. These opened inner wings represent the Saint Antun, the place of honour at the centre of the corpus and at his side a pig is portrayed.