Check My answer’s

For each of the situations below identify what remains mostly constant (unchanged)
A) Temperature B) Volume or C) Pressure:
Steam is generated inside a popcorn kernel- ( B)
An inflated balloon is put in a freezer - (A)
Your diaphragm expands the lungs as you breath- ( C)

Your answers are correct:

A) Temperature remains mostly constant when an inflated balloon is put in a freezer.
B) Volume remains mostly constant when steam is generated inside a popcorn kernel.
C) Pressure remains mostly constant as your diaphragm expands the lungs when you breathe.