Answer:
I run cold and hot, I look blue but am red. What am I?
I shift around though always slowly. I never move more than a few inches at a time. A large movement by me can kill many people. I am huge yet unseen by humans.
What can fill a room but takes up no space?
I cannot be burned in fire or drowned in water. What am I?
I run around the streets all day. Under the bed or by the door I sit at night, never alone. My tongue hangs out, waiting to be fed during the day. What am I?
Often cooked as fillet, this meat comes from an animal that swims underwater.