Answer:
What has one eye but cannot see?
Born in the ocean and white as snow. When I fall back to water I disappear without a trace.
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?
In a tunnel of darkness lies a beast of iron. I can only attack when pulled back. What am I?
I am a mother from a family of eight. Spins around all day despite my weight. Had a ninth sibling before founding out it's fake.
Give it food and it will live, give it water and it will die.