If you heat water to 100 degrees, it boils., , If you heat metal, it expands., , If you boil a liquid for hours, it boils off., , You lose muscle mass if you don’t eat., , Plants die if weather conditions are extreme., , When iron reacts in the presence of air, rust appears., , The grass gets wet if it rains., , If you throw a coin into water, it sinks., , If I work late, I get tired., , If you are in pain, go to the doctor., , If you put an ice cube in the sun, it melts., , If you heat ice, it melts., , If you take the second turn, the way is shorter., , Go to the doctor if you are in pain., , They play soccer if they are free., , I feel good if I exercise., , If you cross a time zone, time changes., , If you lose a library book, you have to pay for it., , I earn money if I work hard., .

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