I’m not 100% sure but I think it’s C
In chemical reactions, elements or compounds called reactants, are changed into other substances or compounds and elements called products. You cannot change one element into another in a chemical reaction. They are both important in order to classify the reaction.
Answer:
No Sodium(Na) in methylene
Explanation:
Methylene is an organic compound
It's the last one with the air particles moving slower and pushing less