Answer:
I can be any color you can imagine. You see me in everyday life. Look around, you can probably see some of me right now. What am I?
The shorter I am, the bigger I am. What am I?
I cannot be bought cannot be sold even if Iām sometimes made of gold.
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?
In my life I must bare my bloodline I must share.
Give it food and it will live, give it water and it will die.