Answer:
You throw me away, I find my way back. Traditionally, I'm wooden with an arch in my back. What am I?
I am one small little piece of paper yet sometimes hold lots of value. I am all you need to get in to big events but will cost you. I am an important part of travel. And if lost you're not coming.
I am needed for most animals and hardcover books
I save lives on the ground and in the air
Forward I am heavy backward I am not. What am I?
Runs over fields and woods all day. Under the bed at night sits not alone, With long tongue hanging out, Resting at your feet until we go for a walk