State whether the bond order increases or decreases when $O_2$ changes to $O_2^+$ and when $N_2$ changes to $N_2^+$.

• A
  Increases for both
• B
  Decreases for both
• C
  Increases for $O_2$ and decreases for $N_2$
• D
  Decreases for $O_2$ and increases for $N_2$