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 process of studying your subject from many angles is called cubing.
Active voice is when the subject performs the verb. The answer is 'Our puppies played at the cool new dog park' because the puppies are playing, while the rest of the verbs in the other choices are not being acted at by the subject.
