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Earth ScienceDeep Time
Have you ever wondered: Just how old is Earth? If so, you’re in good company....
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Scientists and ResearchAtmospheric Chemistry Research that Changed Global Policy
This module traces the life and scientific research of Mario Molina, the first Mexican-born chemist...
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Math in ScienceExponential Equations II
This module introduces exponential equations of the form N=N0 ekt, which describe growth or decay...
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