Why do these bubbles line up?

From MinuteFood. Going to therapy is a sign of strength, not weakness. Our sponsor, BetterHelp, makes therapy simple, with 10% off your first month to help you get started: https://betterhelp.com/minutefood 👉WANT TO HELP OUT IN OUR SODA EXPERIMENT? 👈 More info over at https://www.patreon.com/c/minutefood 𝗧𝗵𝗲 𝘀𝗰𝗶𝗲𝗻𝘁𝗶𝗳𝗶𝗰 𝗻𝗶𝘁𝘁𝘆-𝗴𝗿𝗶𝘁𝘁𝘆: Bamforth, C. W. (2023). The physics and chemistry…