Answer:
I occur twice in eternity. And I'm always within sight.
Something you carry while singing.
I call the trees my home, yet I never go inside, and if I ever fall off the tree I will be surely be dead.
If you can get this professional's attention you can get where you need to go for a price.
Used to keep prisoners silent and to make temporary repairs on cars.
What never gets any wetter no matter how hard it rains?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?