Type of chocolate bar, size of it, surface it is placed on, etc
Controlled variables are anything that stay the same for both trials
Answer:
Honey
Explanation:
Technically it could be both, as they can both be acidic, but honey is lower on the pH scale, meaning it is more acidic and thus will have a larger chemical reaction with baking soda.
Answer:
I don't understand you you now that I'm super girl
P<span>atients who cannot afford to purchase bone marrow will have to wait for voluntary donors.</span>