Crash Course Chemistry - Season 1 Episode 38 Epizóda 38

Nature is given a voice to raise awareness that people need nature in order to survive.

And thus begins the most revolutionary biology course in history. Come and learn about covalent, ionic, and hydrogen bonds. What about electron...

History Content for the Future

Stovky hráčov na mizine príjmu zvláštnu pozvánku na detskú hru. Vnútri na nich čaká...