Soda and other carbonated beverages seem more "fizzy" when they are served on an airplane at standard cruising altitude. write a hypothesis that could explain this observation

At higher altitudes, air pressure decreases, which allows the CO2 to escape more easily.

Explanation:

This is an example of a hypothesis that could explain this observation. A hypothesis is a proposed explanation for a particular phenomenon. Scientific hypotheses are usually propositions that are meant to be examined and tested. Developing a hypothesis is one of the most important and elementary steps in the scientific method.

when atoms of different types of elements join together, they make molecules called compounds. water consists of compound molecules made up of 2 hydrogen atoms and 1 oxygen atom. this is why it's called h2o. water will always have 2 times the number of hydrogen atoms as oxygen atoms.