Answer:
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.
Burn it burn it with because it is not working correctly
It shows the idea of racism should be combated
Edit: Pathos, because this picture shows the evilness behind segregation and racism at that time
