The correct answer is: Nobody knows everything he or she can about the brain.
Explanation:
There are different types of pronouns. They help to replace the noun in a sentence. In this case, the word "<em>Nobody</em>" is part of the indefinite pronouns and they are always used in the singular. So, it is necessary to change the personal pronoun "<em>They</em>" for the singular "<em>He or She</em>".
The right answer is:
They contribute to the rising action by introducing a secondary conflict related to Mrs. Pontellier’s envy of the ease with which Madame Ratignolle manages traditional female roles.
Explanation:
these two scenes from chapter 5 contribute to the novel’s plot development as the rising action. They can not be part of the climax because we are not talking about the main characters in the book.
it is a hyperbole..
Hyperbole is when you use language to exaggerate what you mean or emphasize a point. It's often used to make something sound much bigger and better than it actually is or to make something sound much more dramatic. Hyperbole is a figure of speech.