Types of gravel include: 1  Bank gravel: naturally deposited gravel intermixed with sand or clay found in and next to rivers and streams. 2  Bench gravel: a bed of gravel located on the side of a valley above the present stream bottom, indicating the former location of the stream bed when it was at a higher level.
1 is the sixth part of 6. 2 is two sixths, and also the third part, of 6. 3 is three sixths, and also half of 6. 4 is four sixths, and also two thirds, of 6. is the sixth part of 6. 2 is two sixths, and also the third part, of 6. 3 is three sixths, and also half of 6. 4 is four sixths, and also two thirds, of 6.
The smallest interval in use in the Western musical tradition is the semitone (also called half step). It is the interval between any note and its nearest neighbour on the keyboard. Two semitones together form one tone (or whole tone or whole step). Audio 1 From C to C# (or Db) is a semitone.From C# to D is also a semitone. Therefore from C to D is 2 semitones or 1 whole tone. (Down-Up-Top-Links) JT 1.2 - The Chromatic scale There are a total of twelve notes within an octave, represented by the 12 keys on the keyboard. All notes are spaced at semitone intervals.-note Diminished scale (tone-semitone-tone-semitone -) This scale starts with a tone between the tonic and 2nd note, then a semitone between the 2nd and 3rd notes, again a tone between the 3rd and 4th note, and so on. Audio 5 In Jazz this scale is used for improvisation over diminished chords (see Lesson 15).