The majority of an atoms' mass comes from the protons and neutrons that make up its nucleus.
Answer:
Option (a) is the correct answer.
Explanation:
The law of conservation of energy states that energy can neither be created nor it can be destroyed. It can only be transformed from one form to another.
Therefore, the total amount of energy before and after a chemical reaction is the same. Thus, energy is conserved.
Therefore, we can conclude that option (a) is the correct answer.
<span>Hydrogen carbon and oxygen commonly form covalent bonds.
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