How can you prove the presecnce of moisture ,air and humus in soil?explain with activity
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Presence of air:
it would have been impossible for trees and plants to liv if air wudnt have been there in soil.
Simply pour sm soil in water and ull find air bubbles ...
Presence of moisture:
Some soil tied in a plastic bag ,exposed to sunlight from a couple of hours. ....u find water droplets ......
Simple
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