Answer:
They went from atoms to oxygen molecule.
Explanation:
I'm not sure if this is the answer your teacher is looking for, but in simple terms you had 2 oxygen atoms. Together they make an oxygen molecule, which is the stuff we breathe.
Answer:
B: The sulfuric acid is not consumed or react with the reactant.
Answer:
The second one is the answer
Answer:
all soil are also different due to how they were form