Chemistry, 16.11.2020 17:00 bluedolphin9042
Wood reacts with the oxygen in air and burns. But a pile of wood sitting next to a fireplace doesn't randomly start burning. You have to start the fire. Why do you think this is the case? *
Answers: 1
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Determine the percent sulfuric acid by mass of a 1.61 m aqueous solution of h2so4. %
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What forms when chemical reactions combine pollution with sunlight?
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What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?
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Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)
Answers: 2
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