In the first box : dolphins and grey seals both sleep with half their brain so that the other half can watch for predators
second box : dolphins sleep and swim at the same time ( i think )
third box : ( im sorry but I'm not sure about this one)
i hope this helps a little :)
The answer is parallelism.
The subject of the sentence is her sketches. Also at the beginning of the list it says their unusual perspective so you have to continue using plural pronouns.
The sentence should read: Her sketches are unusual because of their unusual perspective, radical use of color, and their unexpected subjects.
If we're talking about in preparation to write the essay, a thesis statement is very important
Answer: The should be A. Size and Physical strength are not the only measures of a person's value.