This indicates that the reaction is exothermic meaning that it releases heat/energy
The best answer among the choices is option D. New substances are being formed will best explain that this process is a chemical change. Although, it cannot be seen directly we knew that an acid and base will undergo neutralization reaction forming a salt and water. The heat given off by the reaction can be a parameter however it does not only happens for reactions. It can also happen when dissolving substances.
An action with a stimulus and reflex response is an involuntary action
Answer:
due to the bicarbonate of CaCO3
Answer: Matter
Explanation:
Matter is anything that has volume and/or mass.
