Chewing gum is plastic.
"chemical analysis shows that gum contains styrene-butadiene (the durable synthetic chemical used to make car tyres), polyethylene (the plastic used to make carrier bags and bottles) and polyvinyl acetate (woodglue) as well as some sweetener and flavouring."
https://theconversation.com/chewing-gum-is-plastic-pollution-not-a-litter-problem-251662 #health #microplastic