Based on reading the excerpt from Silent Spring by Rachel Carson, what can you conclude was the author’s purpose?

A. to entertain
B. to inform
C. to persuade
D. to analyze

B?

http://en.wikipedia.org/wiki/Silent_Spring

The word "documented" in the first sentence here indicates that B is correct.

Thank You so much :D

Correct, the author's purpose in the excerpt from Silent Spring by Rachel Carson is to inform.

To determine the purpose of an author, it is important to analyze the content and style of their writing. In this case, Silent Spring by Rachel Carson is a famous and influential environmental book that discusses the negative impacts of pesticides on the environment. Through her writing, Carson aims to raise awareness about the dangers of these chemicals and their effect on nature.

The author's purpose in Silent Spring can be concluded as:

C. to persuade

Carson seeks to persuade the readers to take action and advocate for the protection of the environment by bringing attention to the harmful effects of pesticides. Her goal is to convince the audience to change their behavior and support environmental conservation efforts. Therefore, option C, to persuade, is the correct answer.