I think the answer is make more severe or weighty
No summary provided, however,
annual plants are those that grows for one season and dies. an example of annual plants are corn,beans,and some flowers that blossoms during the rainy season and dies through winter and summer.
Perennial plants are those that persist from season to season and never dies. Usually the remain dormant when the weather is hostile and blossoms when the weather is conducive.
Answer:
Documenting your sources provides essential information for your reader. By citing sources, you show your indebtedness to the work of others, and you give your reader the chance to seek further information from the sources themselves. Citing sources also supports your own credibility as a writer and researcher.
acknowledge your dependence on another person's ideas or words, and to distinguish clearly your own work from that of your sources. receive credit for the research you have done on a project, whether or not you directly quote or borrow from your sources. establish the credibility and authority of your knowledge
Explanation:
The correct option is THE WORD CHOICE DARKENS THE TONE.
From the passage it can be seen that the author took care to use words that will arouse and sustain the suspense of the readers. The word choice in the excerpt gives the passage a dark tone that will raise the curiosity of the reader about the eventual outcome of the event stated in the passage.