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Hipervinculo Física
Understand the role of gravity.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Hipervinculo Física
Understand the Big Bang theory and the aftermath of the Big Bang.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
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