Answer:
The root tops the trunk on this backward thing, that grows in the winter and dies in the spring.
What bird can lift the heaviest weight?
What kind of table has no legs?
Iron roof, glass walls, burns and burns and never falls.
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?