A flat key is a key that has a flat on its tonic note. A sharp key is a key that has a sharp on its tonic note.
thereisf sharp, f flat(note e), and f natural
No. On a certain note with both a sharp and flat, (G, for example) they are the same distance from G, but going in diferent directions. G sharp raises the note by one half step while G flat lowers the note by one half step. However, it is possible for a sharp note to mean the same note as a flat note. For example, G sharp is the same note as A flat. This is called being enharmonic.
it means flat. for example if you have an f with a b above it it means f flat which means you play the black note above f.
It depends on the instrument. For example, on a B-flat clarinet it starts on a C the d e f g a B (natural) high c and then you come down, same with the trumpet. Flutes and pianos are in concert pitch, so they start on a B-flat.
flat money
flat money
No, the Appalachians are not flat.
An example for a surface wave would be flat because the surface is flat.
Commodity money has value in itself while flat money has value only because it is given value
Paper money goes in flat and unfolded.
the earth is flat
A table
A spreadsheet is one example. All the data is in a single table.
Fiat money has only a single use as a medium of exchange
Because governments say it does.
The name of the scale is whatever the second to the last flat is. For example, if you have 3 flats, B flat E flat and A flat, the name of the scale is E flat, because it is the second to the last flat.