Answer:
The correct option missing in the sylogism is the Conclusion which is option "(a)," "The conservatory at the zoo has warm air and sunlight."
Explanation:
The syllogism
A syllogism is a kind of logical argument that applies deductive reasoning to arrive at a conclusion based on two or more propositions that are asserted or assumed to be true. It was propounded by Aristotle.
In the illustration above:
Butterflies need warm air and sunlight to breed. (Major Premise)
The conservatory at the zoo is a perfect place for them. (Minor Premise)
The conservatory at the zoo has warm air and sunlight. (Conclusion)