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1. Volcanic soil is rich in nutrients, and very fertile for growing crops. This is a result of the minerals contained within volcanic ash which settles on surrounding areas. 2. They can form new land masses and islands. 3 and 4. Beside suffocating poisonous gases, volcanic eruptions also actually release some healthy gases such as hydrogen and carbon dioxide. Carbon dioxide is useful for the plants in generating the process of photosynthesis. Hydrogen, when mixed with oxygen, creates water vapour. This adds to the water cycle. 5. Volcanoes provide geothermal energy which, besides being great for spas and recreation, is also used as a source of hot water in some areas of the world. 6. Diamonds are often found within volcanic rocks. Diamonds are created by intense heat changing the molecular structure of coal.

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16y ago

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