Answer:
Nine big dogs in military collars come into the barn and attack Snowball. They chase Snowball off of Animal Farm and he is never seen again.
Explanation:
The other animals are petrified. They realize that these nine dogs are the puppies that Napoleon took away from their mother to educate privately.
Answer is B population growth
A concrete noun employs the senses of sight, touch, hear, taste, and smell. So: Bible, lamb, and tooth