https://www.khanacademy.org/science/telangana-class-8-science/x17f7017799a605d2:synthetic-fibres-and-plastics/x17f7017799a605d2:3-5-how-can-you-say-a-bottle-is-pet-bottle/e/pet-bottle-identification 2026-06-15T08:10:49.11606453Z PET Bottle Identification Students identify PET bottles using the resin identification code (the number 1 inside the recycling triangle), recall what PET stands for, and reason about why PET is used for carbonated drinks. Ashish Shekhar exercise