Ravi places a lump of dry soil in water . He observes bubbles coming out of the soil . Explain why this happens.
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Air in soil
Take a lump of dry soil and add water to it. You will observe bubbles coming out from the soil. This shows that there is air in soil. Plants roots and creatures living in the soil breathe in this air (oxygen).
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Answer:
Take a lump of dry soil and add water to it. You will observe bubbles coming out from the soil. This shows that there is air in soil. Plants roots and creatures living in the soil breathe in this air (oxygen)
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