Based on the clue 'a small piece of a tree as a verb it means to unde...', what is the answer?

What is associated with: a small part of its 4000 mile link is seen here? Based on the clue 'a small part of this california mountain range ext...', what is the answer? Based on the clue 'a small person who goes up against a bigger oppone...', what is the answer? Based on the clue 'a small piano about 5 feet long', what is the answer? Based on the clue 'a small piece of butter or something you get on th...', what is the answer? Based on the clue 'a small place of worship it was originally the pla...', what is the answer? Based on the clue 'a small porch leading to the entrance of a house', what is the answer? Based on the clue 'a small portion of russia is separated from the mo...', what is the answer?