Answer:
I haven't done it..........
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Yes the reason we call it a fly is because they have wings and if it didn't we would call it a walk
Answer: Ralph, Jack and Simon go off to explore the island. While Jack is hunting, Ralph and Simon try to build two shelters out of palm trunks and leaves. Later, Simon walks around on the island with the littluns following him. He helps them pick some fruit and then goes into the jungle by himself.
hope this helps :)