The answer has to be D. I hope you get the answer right
The four main macromolecules are carbohydrates, lipids, proteins, and nucleic acids. Carbohydrates typically are used for energy production within the body, lipids are used for energy storage, proteins are typically used for structural support in things like your hair or nails, and nucleic acids are used for storing genetic material.
Na+H2O NaOH + H2
that is your answer
C or D I don’t understand the context of the situation
<span>the minimum quantity of energy which the reacting species must possess in order to undergo a specified reaction.</span>