Answer:
I save lives on the ground and in the air. What am I?
What starts with an 'e' and ends with an 'e' but only has one letter?
To cross the water I'm the way. For water I'm above I touch it not and truth to say I neither swim nor move.
I am bought by the yard but worn by the foot
I am the home for feathery animals.
A little house full of meat, no door to go in and eat.