Answer:
What is it that given one, you'll have either two or none?
What comes with your car, but travels more than your car?
Up on high I wave away but not a word can I say.
What object has keys that open no locks, space but no room, and you can enter but not go in?
A twiggy home
I touch the Earth, I touch the sky, but if I touch you, you’ll likely die. What am I?