According to the law of superposition, which statement
is supported by the diagram?

geologic time scale (for gradpoint) =)

answer///alimentary canal/gastrointestinal tract.digestive (gi);

during expiration the diaphragm relaxes, which causes the diaphragm to move downwards. the contraction of diaphragm increases the space for expansion of lungs. hence, the diaphragm relaxes and positioned downward during expiration.