Answer:
People need me yet they give me away every day.
I have a foot but no leg. What am I?
I am an instrument you can hear but cannot touch or see. What am I?
I am an odd number. Take away a letter and I become even. What number am I?
I'm blue at day and black at night. I do contain some creatures born and died. What am I?
Runs over fields and woods all day. Under the bed at night sits not alone, With long tongue hanging out, Resting at your feet until we go for a walk