Answer:
Crooked as a rainbow and slick as a plate, ten thousand horses can't pull me straight. What am I?
The warmer I am, the fresher I am. What am I?
You throw away my outside, you cook my inside. Then you eat my outside and you throw away my inside. What am I?
I've been around for millions of years, but I am no more than a month old. What am I?
Against the sun I protect your eyes and am often worn on the face of spies
Give it food and it will live, give it water and it will die.