Answers

2015-07-27T19:24:29+08:00
The things that are left after the volcanic eruption can be use as fertilizer. (Kaya after daw pumutok ng bulkan nun mataba yung lupa) ^_^v
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2015-07-27T19:26:38+08:00
It helps maintain the atmosphere, also it can form a new geological feature that might help or some volcanic materials have something useful like the molten rocks emitted by it may have minerals inside.
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