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You answered "Thawing ice by sprinkling salt on it". Click "CONTINUE" to proceed to the next question.
Interesting fact:
Some quick-fire cool aviation facts: At any given hour there are over 61,000 people airborne over America; about one-third of your taste buds are numbed while flying; Singapore Airlines spends some $700m on food and $16m on wine every year; American Airlines will save $1.2m in fuel by switching a pilots paper manual to iPad.