Blooket to help u learn
Code: 987494

what can this help me learn for???

but anyways thxs

Explanation:

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."

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.