Answer:
Very helpful if you intend to go gently down a river.
If you suffer from this, you might wear a wig
Before Mt. Everest was discovered as the highest mountain in the world, which mountain was the highest?
A mechanism to discover who is following you.
I look at you, you look at me, I raise my right, you raise your left
you hold my tail while I fish for you
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?