He uses it because it gives demension to the story
My teacher even said that Venus Flytraps can catch small frogs aswell
Answer:
well I think that its the very last sentents but i could be wrong.
Explanation:
1. The three witches in the beginning
2. Macbeth starts having visions of seeing a dagger after killing duncan
3. He sees the ghost of Banquo after killing him too
