Brainstuff
What is chewing gum made of?
- Autor: Vários
- Narrador: Vários
- Editora: Podcast
- Duração: 0:01:47
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Up until World War II, chewing gum was made of a substance called chicle. Check out this HowStuffWorks podcast to learn more about the ingredients of modern chewing gum. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
