Which is not true about the discovery of new scientific evidence and theories? a) new theories are always the truth. b) theories can never be said to be the absolute truth. c) old theories might be discarded in favor of new theories. d) theories are refined as new scientific evidence discovered.

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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.