Kareena's Chemistry For Kids
Elements In Danger - "Incredible Yttrium"
- Autor: Vários
- Narrador: Vários
- Editor: Podcast
- Duración: 0:04:08
- Mas informaciones
Informações:
Sinopsis
Kareena finds all about Yttrium – where it comes from and why it is an element in danger.
