Pls help Im giving almost all my points

Eastern Africa consists largely of plateaus and has most of the highest. ... The Western Rift Valley curves along the western borders of Uganda and Tanzania. ... Apparently established in the 9th century, it is distinguished for its seawalls of coral

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Explanation:

answer; i believe the correct answer is (a)0

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.