If you heat ice, it melts., , If they don’t hurry, they miss the bus., , If she doesn’t call me, I will feel worried., , If people eat too much sugar, they gain weight, , If he doesn’t sleep well, he feels tired., , If you throw toxic waste in rivers, animals die., , If we don’t save money, we won’t travel next year., , If global warming increases, ice caps melt., , If people don’t recycle, the environment suffers., , If you don’t practice, you won’t improve your English., , If we don’t protect nature, future generations will suffer., , If we don’t act now, climate change will get worse., , If there is a flood, people will need help., , If ice caps melt completely, many coastal cities will disappear., , If toxic waste is not managed properly, water pollution will be unstoppable., , If governments act now, they will reduce the effects of climate change., .

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