Question

what is the need of volcanoes ​

Answer 1

Answer:

That's a good question. I guess the main good effect that volcanoes have on the environment is to provide nutrients to the surrounding soil. Volcanic ash often contains minerals that are beneficial to plants, and if it is very fine ash it is able to break down quickly and get mixed into the soil.

Explanation:

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hope this helps

Answer 2

Answer:

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Volcanoes are just a natural way . It releases internal heat and pressure of earth . Volcanoes errupt because of density and pressure. Actually there is no need of volcanoes for human beings but it is a natural calamity. When earth becomes more heated it will release the earth's heat.

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