Economists regard imperfect competition as undesirable because B. it allows firms to be less efficient producers.
The Nile River was a body of water that they severely needed because, both sides of Egypt had deserts on them.
Answer:
I believe Piggy's fear is justified because towards the
end of the chapter Piggy, Simon, and Ralph have a
conversation after the assembly where Piggy does
mention that he is fearful Jack. "l'm scared of him '
said Piggy, 'and that's why I know him."