Answer:
What is used by man, tossed by trees, everywhere but unseen?
How many months of the year have 28 days?
The little pink nub that helps rectify mistakes.
I'm a green veggie that looks like a tiny tree.
Dry though I may be, I am still a sea.
I am your mother's brother's only brother in law. Who am I?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?