What is ironic about the outside world? how does this connect to life on the island? (lord of the flies) (brainliest answer) !

The book never states it but it hints that in the outside world, there has been a nuclear war. The irony is that even adults when left on their own destroy themselves. So what happen with the children on the island is not that much different from what is happening outside.

b is the answer

the rigid outer part of the earth, consisting of the crust and upper mantle is the lithosphere.     answer   crust and outer part of the mantle.