Answer:
What word looks the same upside down and backwards?
As soft as silk, as white as milk, as bitter as gall, a thick green wall, and a green coat covers me all.
Feed me and I live, give me drink and I die.
I am the outstretched fingers that seize and hold the wind. Wisdom flows from me in other hands. Upon me are sweet dreams, my merest touch brings laughter
Double my number, I'm less than a score. Half of my number is less than four. Add one to my double when bakers are near. Days of the week are still greater, I fear.
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.