Soil

Q.

In addition to rock particles, soil also contains________.(you may choose more than one option)

1. air and water

2. water and plants

3. minerals, organic matter, air and water

4. water air and plants

Q.

Question 12

A man digging a pit found that he could dig with ease initially but digging became difficult as he went deeper. He could not dig beyond a depth of 5 feet. Provide a suitable scientific explanation