Symbiosis.
Hi why do you have my picture on your username??
The citrus trees that have the best fruit also have the weakest roots. Grafted trees are GOOD! Change your mind.
The roots become intertwined and they help support each other. The best analogy I could give is that when the roots become intertwined it gives the trees a foundation, like that in a building.
The tree roots help hold the soil together.
nothing
Not really. The roots take in water, which passes up through the plant, carrying nourishment as it goes. Any excess water leaves through the leaves! On the other hand, if the roots are exposed and are still white, (as opposed to the dark brown barked roots that trees often have) they can loose lots of water. It's best to keep them covered.
They are post examples of a fulcrum and lever
Winter is the best time for collecting sap from maple trees.
hack roots
climb trees climb trees
A tiller if you have a large space to clear is the best way to dig up old roots.
Complimentary.