. How wil you show that air is present in water and soil ? 

Dear student,

To show that air is present in water, We take some water in the pan, and heat it till it starts boiling. When it starts boiling, You wil see bubbles forming in the inner surface of pan or in the water. This bubbles arises because of dissolved air in water.

To show that air is present in soil, Put a handful of soil in the beaker containing water. As you put soil in water, you will see some bubbles coming out. This shows that soil have some air in between their particles.

Hope this will help you.
Regards,
 

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