Input: Answer this question:
Which of the following is formed when two elements combine chemically?
Answer: a compound
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Which technological advancement has done the most to improve the accuracy of weather predictions?
Answer: satellites
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Which disease is a result of abnormal cell division?
Answer: cancer
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In 1783, Europe was unusually cold and foggy. The rain was acidic. Which event most likely caused the unusual climate in Europe that year?
Answer:
A major volcanic eruption released ash and sulfur gas into the atmosphere.