He smacked him in the face
Answer:
Ello mate, Here you're answer!
Explanation:
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Arnold is trying to understand the disagreement that occurs between Mr. and Mrs. Van Daan with regards the Mrs. Van Daan's fur coat. Which identifies the most useful question for Arnold to ask?
The passage saying the earth is round is Isaiah 40:22:
He sits enthroned above the circle of the earth, and its people are like grasshoppers. He stretches out the heavens like a canopy, and spreads them out like a tent to live in.