Answer:
Environmentalists want to keep this from drying.
It's shorter than the rest, but when you're happy, you raise it up like it's the best. What is it?
This patch of land stands alone
You can carry it everywhere you go, and it does not get heavy. What is it?
What can be white and yellow at the same time?
What language does a billboard speak?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?