You can download answer here
tinyurl.com/wpazsebu
Your answer is hypothesis i think. There were no given answer choices so i went with what i think youre asking.
The changes in the grape juice happened due to the alcoholic fermentation of the grape juice that occurs due to the presence of aerobic bacteria. The presence of yeast is the main reason behind the process of fermentation taking place. The froth is produced due to the presence of the formation of acid and carbon dioxide.
Mitochondria by using cellular respiration to make ATP
Properties of matter. solid, liquid, gas.
atoms. tiny particles that make up matter.
volume. amount of space that matter takes up.
mass. the amount of matter an object has.