What stays the same in metamorphic rock although mineral composition might change

Question: What stays the same in metamorphic rock although mineral composition might change?

The answer is Chemical Composition.

Hope this helps. c;

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.

cells spend most of their time in interphase