Hormone like substances called prostaglandins
A adjective because "The true king of the beasts is the elephant" is describing the elephant
A.
It’s assigning a human action to an inanimate thing.
Answer:
The main idea is how sad it was to leave the farm.
Explanation:
The narrator goes on to tell us that people were crying, how much it was a horrible experience, and that there was many arguments. Although it talks about other things towards the end, the central idea is how sad it was to leave the farm.