PART A: What does the word “liberal” mean as it is used in paragraph 7:
A.
Impolite
B.
Free
C.
Generous
D.
Open-minded

D. open-minded :)

Explanation:

the answer is: round.

in literature, round characters are considerably complex and experience or are subjected to unpleasant situations. as a consequence, they go through crucial sentimental and psychological development, which can cause surprise in the readers. in this case, juan's dramatic transformation is related to the adversities he meets at school.

your answer is c) experiments with water vapor showed that elements combine in specific proportions.