Yes it's possible but It would sound better If you said, positive and negative emotions.
Explanation:
Desirable and undesirable can have conflicting meanings I.e desirable is what you like and undesirable is what you don't like but you can desire something negative or have something good that's undesirable to you.
I think change can make someone nervous but I learned that change is not so bad becasue everyone is kind with open arms and change can also be a good thing from the get-go
Explanation: when you say the word “zoology” regularly without thinking about it, “zo” has more of a “drag” of a sound. DONT COUNT ON ME IM REALLY DUMB!
