Answer:
small land in water.
I'm a god a planet and a measurer of heat. Who am I?
I am a protector. I sit on a bridge. One person can see right through me, while others wonder what I hide. What am I?
What word when read from left to right is a ruler, but when read from right to left is a servant?
You throw away my outside you cook my inside. Then you eat my outside and you throw away my inside.
No matter how little or how much you use me, you change me every month.