Answer:
The warmer I am, the fresher I am. What am I?
I fill a room but take no space.
I always murmur but never talk. Always run but never walk. I have a bed but never sleep, have a mouth but never speak. What am I?
What seven letter word has hundreds of letters in it?
I am an instrument capable of making numerous sounds but cannot be touched or seen. What am I?
I am owned by Old McDonald.