I think if To ask Siri she will give up the sheer answer !!
The answer is true. Accidentals are a note or pitch that is not part of the key signature that you're playing in, and these notes are marked by using the sharp (♯), flat (♭), or natural (♮) signs. Accidentals change the note they accompany either by raising or lowering it by a semitone (or half step).
Answer:
9. Positive/Negative space (I think)
10. A vanishing point
I Hope this helped!
Explanation:
An action painting or gestural abstraction
