Answer:
Once you know it exists, it no longer exists. What is it?
What has a neck but can't swallow?
Barren location, infertile and dry; my name means "to leave", it's not heard to see why
What time is spelled the same forwards and backwards?
Most people need it, some ask for it, some give it, but almost nobody takes it. What is it?
I am a room that has a roof but no walls. What am I?
Easy
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?