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How the Sun and planets formed.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
How the Sun and planets formed.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
"Human reason is by nature architectonic." (--Kant, CPR, p.B502)
Una amplia colección de textos e información del famoso filósofo alemán Immanuel Kant (en ingl&eac ...
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