Lithe in this sentence means, like, a small slender body. Lithe means slender or thin. "Although Amelia was slender or graceful, her sister was clumsy and awkward."
the most fitting one is <em>Claimant</em>
Critic is someone who gives their opinion on something, that could be friendly or harsh. Claimant means someone who makes a claim.
I'm probably wrong, but that is my best guess
B. North America
Atlantic Ocean
Florida Everglades
Grasslands of Montana
Mississippi river
Wetlands
C is the answer hope this helps