Answer:
What is the effect? Carson begins "A Fable for Tomorrow" with imagery rather than exposition in order to represent events in ways that the reader could relate to and understand better. ... In the beginning of "A Fable for Tomorrow," the tone can be described as descriptive.
It stands for nothing but trouble
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.