Raja places are lump of dry soil in water. He observes bubbles coming out of the soil. explain why this happens?
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Answer:
bubbles occur when water is poured in water because soil contain air,to show the presence of air in soil this is done. Plant roots absorb not only water, but also oxygen from the soil. Thus, soil contains air that is essential for the survival of earthworms and other small animals living underground.
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Answer:
Bubbles come out because there is air in the water
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