Given a sentence in English, provide an equivalent paraphrased version from the original that retains the same meaning.

Q: The optical polarization results microscopically from quantum mechanical transitions between different states of the material system .

A: Microscopically , the optical polarization arises from quantum mechanical transitions between different states of the material system .
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Q: The festival was founded in 2007 and debuted in Phoenix , Arizona and has been held in San Diego , Houston and Zurich since then .

A: The festival originated in 2007 and debuted in Phoenix , Arizona and has since been held in San Diego , Houston and Zurich .
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Q: The two secondary schools , Heatherhill Secondary College and Coomoora Secondary College , were merged to Keysborough Secondary College with Springvale Secondary College and Chandler Secondary College .

A:
The two secondary schools , Heatherhill Secondary College and Coomoora Secondary College have been merged with Springvale Secondary College and Chandler Secondary College into Keysborough Secondary College .
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