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Comic strip of a ghost and a person with the American flag pasted on the head. The ghost repeats “Boo!” in the first three panels without getting any reaction, but when it in the fourth panel says “kg, cm, km, °C” the American gets scared and screams “AHHHH!!!”.
Edit: fixed alt text
We live in a world rich in water. When the overnight temperature is below zero, we have frost, for example
Yeah, same here. When the temperature dips below 32 we get frost