Answer:
I am of several different kinds, but the one you pick doesn't do its job. What am I?
the only amusing part of the body
I break down buildings, I crumble mountains but you can't see me. What am I?
Alone I am 24th with a friend I am 20. Another friend and I am unclean.
The letter S is added to pluralise most words in the English language. eg. Letter to Letters Word to Words and Language to Languages. But I am a word that is pluralised with the addition of the letter C.
I flow from the Homer’s mouth when he sees doughnuts.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic