Which is one purpose for providing additional resources at the end of an informational text

1.)to prove there are no counterclaims for the facts provided by the author

2.)to make it unnecessary for the reader to do additional research

3.)to show the author established clams by doing credible research

4.)to prove information to the reader on topics unrelated to the text

Read this passage from "the city without us" by alan weisman: which statement best explains how the structure of the passage supports the author's purpose? a. the passage traces several events in the order that they will occur to highlight how nature conquers human civilization. b. the passage shows that natural forces such as an absence of predators and an increase in the squirrel population can lead to destructive results. c. the passage shows that natural forms such as an absence of predators and human hunters can lead to the reforestation of new york city. d. the passage identifies how two natural forces are co-dependent - the deforestation of new york and the extinction of squirrels.

Read the following excerpt from "harrison bergeron" by kurt vonnegut: he tried to think a little about the ballerinas. they weren't really very good-no better than anybody else would have been, anyway. they were burdened with sashweights and bags of birdshot, and their faces were masked, so that no one, seeing a free and graceful gesture or a pretty face, would feel like something the cat drug in. george was toying with the vague notion that maybe dancers shouldn't be handicapped. but he didn't get very far with it before another noise in his ear radio scattered his thoughts. what message about the role of media is best supported in this excerpt? a. media are the reason george is able to watch ballet. b. media change people's values, making them more selfish. c. media tend to make audiences' worldviews the same. d. media can be used to distract audiences from the truth.

A) this was a stupendously important moment. b) your fate and mine are involved in his decision. c) if the stranger hadn't been there! but he was. and caesar crossed. with such results! d) perhaps the most celebrated turning-point recorded in history was the crossing of the rubicon.