Fizz and does are homographs. Homographs are words that are spelled the same but have different meanings and, sometimes, pronunciations.
Yes. The "fizz" depends on how much the factory makes it with. Color does not effect fizz.
Pepsi is the one that has the most fizz.
Effervescence
same
No
words that mean the same as also
Words like his, miss, kiss, and this have the same vowel sound as is, which can be represented by the short i sound.
No. Astronomy is a branch of science, but not all science deals with astronomy.
the same
No, borax does not fizz. Borax is a naturally occurring mineral that dissolves in water. When mixed with an acid, it can create a slight bubbling reaction, but it is not considered to fizz in the same way as a carbonate compound.
Some words are sanitation and sanitize but they mean the exact same thing.