What is the meaning of “anchoring earth” and “earth cave”?

“Anchoring earth” refers to the roots that lie inside of the earth and play the role of an anchor for the tree to grow during its initial phase. They ensure the security of the tree as they nourish it with water and other nutrients. “Earth cave” refers to the ground soil on which the foundation of the tree is laid as it holds the roots and helps the tree stand tall and protects it from all unpleasant situations such as heavy rainfall or storm.

For more answers visit to website:
https://www.tiwariacademy.com/ncert-solutions/class-9/english/beehive-chapter-8/