Answer:
Temporary evidence of where you've been strolling
A standard dimension for sandwiches and rulers
It is something you will never see again.
Never ahead, ever behind, yet flying swiftly past; For a child I last forever, for adults I'm gone too fast.
One who has offended the government and has been detained by it
It rows quickly with four oars but never comes out from under his own roof. What is it?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?