Answer:
There are 7 birds in a tree. A hunter shoots one bird down. How many birds are left in the tree?
They are toothy nocturnal immortals.
No sooner spoken than broken. What is it?
I'm a god. I'm a planet. I measure heat.
I know a word of letters three, add two and less there will be.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?