Answer:
I am a protector. I sit on a bridge. One person can see right through me, while others wonder what I hide. What am I?
It's been around for millions of years but is never more than a month old. What is it?
I never was but always will be. No one ever saw me but everyone knows I exist. I give people the motivation to better themselves every day. What am I?
I am gentle enough to soothe your skin light enough to fly in the sky and strong enough to crack rocks.
What can run but never walks licks but never talks has a bed but never sleeps has a mouth but never eats?
What did the piece of wood say when he saw the screwdriver and screws approaching?