Answer:
Mary's child slept in one of these
What has roots that nobody sees, and is taller than trees. Up, up it goes, and yet it never grows.
What can hold a car but canβt lift a feather?
How can you throw a ball as hard as you can, to only have it come back to you, even if it doesnβt bounce off anything?
What is so delicate that saying its name breaks it?
How did the farmer find his wife?