Answer:
Brother/sister It's Layer 'C'
Explanation:
HOPE IT HELPZZ!
CO2 ; H20- They are the only ones that, on both sides, combined with another element and bonding of atoms
Remember that a conjugate acid-base pair will differ only by one proton.
None of the options you listed are conjugate acid-base pairs as none of them differ only by one proton (or H⁺)
An example of a conjugate acid-base pair would be NH₃ and NH₄⁺NH₃ + H₂O --> NH₄⁺ + OH⁻NH3 is the base, and NH₄⁺ is the conjugate acid
