Answer:
They are Dark, and always on the run. without the sun, would be none!
What is this Mexican dish consisting of a tortilla rolled around a filling, typically of beans or ground or shredded beef?
What is the ending of all that begins?
Where humans breathe liquid.
Without coolant, you'll have some trouble with this.
People take me on walks and I run and have fun. What am I?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?