Answer:
I'm a ring of sliced onion dipped in batter and then deep fried.
Cut the wrong wire and it goes boom
The more you look at it, The less you see.
What has been around for millions of years but is never more than a month old?
What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?
People take me on walks and I run and have fun. What am I?