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Why are volcanos important

User Sver
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Answer: Volcanoes are important because they can expand land and help it grow. Volcanoes can also provide nutrients such as magnesium and potassium that will create nutrient soil.

User Stepres Stepres
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Answer:

They helped cool off the earth removing heat from its interior. Volcanic emissions have produced the atmosphere and the water of the oceans. Volcanoes make islands and add to the continents. Volcanic deposits are also used as building materials.

Step-by-step explanation:

User Hayenn
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