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Hipervinculo Biología
Find out what matter is, how it behaves, and how it explains the chemistry of life.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Video Biología
"The Bohr model is a simple model of atomic structure. It is now outdated, but is still useful at the basic level. An atom has a central core called its nucleus which contains its protons (positively ...
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