Answer:
How can you burn an apple, blueberry, rose and pumpkin without leaving any ashes but retaining the smell of it?
What can answer in any language? What can speak without a mouth? What can sing without an ear?
What is never used unless it's in a tight place?
What can be measured but not seen?
They can be harbored, but few hold water. You can nurse them, but only by holding them against someone else. You can carry them, but not with your arms. You can bury them, but not in the earth.
What covers its face with its hands, speaks no language, yet most known what it's saying?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?