Answer:
the chest resonance
Explanation:
Abdominal muscles (more specifically transversus abdominis, internal and external oblique muscles) play a very important role in breathing for singing.
Through my research I found questions similar to this and answers that match and they are the following:
A.) Two tone
B.) Five tone
C.) Eight tone
D.) Twelve tone
Among those following choices the best answer would be A) or the first option.
Show the picture so we can answer
