Answer:
I don't know, but maybe because they possibly aren't allowed on other apps, or they are banned.
Explanation:
Answer:
Whole half and quarter notes
Each note type is one half the preceding note in time duration. A half note is one half the value of a whole note. A quarter note is one half the value of a half note. A dot increases the length of a note by one half its value. A dotted quarter note is equal to a quarter note tied to an eighth note (quaver). ... If it last two beats the dotted note lasts 3 beats. Hold the note for its duration plus half of its original length.
Explanation:
The answer is d. because it's d. and i wrote it twice because i needed 20 characters to explain it well.