Answer:
I cannot be burned in fire or drowned in water. What am I?
The faster you run, the harder it is to catch me. What am I?
I am known for my natural tuxedo and marching. What am I?
I have thirteen hearts but no body or soul. What am I?
I have roots nobody sees. I am taller than trees. Up up I go but I never grow.
Dry though I may be, I am still a sea.