Hobbits did not live in trees. The opposite in fact; they lived in holes in the ground. Some Hobbits lived in houses. Hobbits do not like heights and do not even sleep upstairs.
They created a civilization of city-states
Hobbits first appeared in the J. R. R. Tolkien novel, The Hobbit, in which the main protagonist, Bilbo Baggins, is a hobbit. The main protagonist of The Lord of the Rings, Frodo Baggins, is a hobbit, as are his friends and co-protagonists
Hobbits are the main characters because they're simple people and Tolkein wanted to show the world of Middle Earth through the eyes of someone who had never travelled across their world before.
The forest is living thing and without forest or trees in the world we can't breath not only food water is he main needed we need forest and trees around us.
reproduceing,Eating,breathing and growing
You are not specific enough. The main advantage of what? It does not make any sense.
The main advantage of ECL over TTL is speed.
main advantage of storing documents in a hierarchy
The main materials are wood, rubber, graphite, and metal. The wood comes from trees. The rubber comes from petroleum and living trees. The graphite comes from carbon. And the metal comes from ores.
there is no real advantage. you just have sex.
Portability is the main advantage.
The main advantage is that the patient may not need to wear a cast or brace after the procedure.