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Physics 15 Online
OpenStudy (anonymous):

1. Explain how the red shift in the spectrum of objects in space provide evidence for the Big Bang Theory. 2. Explain how cave systems are formed in Florida. 3. Explain how a weather balloon can be used to predict future weather conditions in a location. I'm trying to help my cousin with her school work so any help would be greatly appreciated with these questions thank you in advance.

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