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The best answer is C
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I think this is the answer: The Lava that came out of Mauna Loa in 1984... are silica poor and are very fluid. They're usually non-explosive. Hope this really helped.
Answer:
Several principal emissions result from coal combustion: Sulfur dioxide (SO2), which contributes to acid rain and respiratory illnesses. ... Carbon dioxide (CO2), which is the primary greenhouse gas produced from burning fossil fuels (coal, oil, and natural gas)
Explanation:
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