Answer:
Your computer\'s version of white-out.
Many foods can make me strong but give me water and I won't last long.
This patch of land stands alone
What can go up but never come down?
It can be grown in your yard or bought at the store and is given for love when less is more?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?