Yes, our friend is right, because there is no contradiction to the law of conservation of mass in the above equation. It just the mass of the product is equal to the mass of reactants.. and that is shown in the equation you have presented earlier
Explanation:
Human body, the physical substance of the human organism, composed of living cells and extracellular materials and organized into tissues, organs, and systems.
https://www.britannica.com › science
human body | Organs, Systems, Structure, Diagram, & Facts |
"Constant velocity" is practically a definition for zero acceleration.
Answer:
2nd one if you ask me
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