Answer:
I am the red tongue of the earth, that buries cities.
It can be clear like water, but it burns like fire.
What ship has no captain but two mates?
What is the word that even in plain sight remains hidden?
Why is 6 afraid of 7?
I break away from my pack. I create holes in my victims. I can travel for miles and then disappear. I am part of a dying breed. What am I?