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When a comet collides with earth, it adds material to our planet and causes great damage. therefore, a collision like this is a a. destructive force b. constructive force c. geologic process and event d. constructive and destructive force
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What is the overall order of reaction for rate = k[no]2[o2]
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Which of the following electromagnetic waves can create ions?
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__Zn(s)+__CuSO4(aq)--->+...
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