Based on how they each acted to the trials, witch substance (s)would most likely be metallic

The answer should be Cand them unit test sure do suck no cap :,)

Explanation:

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.