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.
Definitely C, because D isn't right because B would improve the rate, and not A cause the opposite is happening.
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The answer is Great Barrier Reef. The Great Barrier Reef is one of the seven marvels of the common world and pulling far from it, and survey it from a more noteworthy separation, you can comprehend why. It is bigger than the Great Wall of China and the main living thing on earth unmistakable from space.
B dry because winter and summer are dry