In the molecular orbital model of benzene,how many pairs of degenerate $\pi$-molecular orbitals are there?

Question

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In the molecular orbital model of benzene, there are two pairs of degenerate (having the same energy) π-molecular orbitals, which are the result of the combination of p orbitals from the six carbon atoms in the benzene ring. These pairs are found in the bonding and antibonding molecular orbitals that are not at the highest or lowest energy levels.

In the Molecular Orbital Model of Benzene,how Many Pairs of Degenerate