Science Buddies: "Ask an Expert"

Project calls for 3 test items. I have chosen plate made of bagasse, cup made of pla(starchy corn material). I’m not sure of third item. Would bamboo plate work, or is my scope too narrow? Should I expand to other, non-food related items?

Hi,

This will be an interesting to observe over time.
Here is a website that lists some other types of biodegradable materials:
https://helpsavenature.com/biodegradable-products-list