1. Were tested
2. Stayed in the same
3. Switched to a different
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Answer:
A football is a prolate spheroid, and it's shaped that way because that's also the shape of an inflated pig's bladder, which is what the first footballs were made of. ... But as the football evolved — and was constructed of cowhide and rubber — it got even more prolate, which made it easier to carry and easier to throw
Explanation:
When words within a line of poetry have the same sound is called, internal rhyme I believe