1. which article title represents a

citation under the news results?
A)priceton paleontologist produces evidence for new theory on dinosaurs extinction
B)chunk of death dealing with astroid found
C)second crater points to killer comets
D)extinctions tied to impact from space

To determine which article title represents a citation under the news results, you would need to search for the given article titles and see if they appear as a citation under a news article. Here is how you can do it:

1. Open a web browser.
2. Go to a search engine such as Google.
3. Type the first article title "priceton paleontologist produces evidence for new theory on dinosaurs extinction" in the search bar and press enter.
4. Look through the search results page for any news articles that cite or reference this article title.
5. Repeat the process for the remaining article titles: "chunk of death dealing with astroid found," "second crater points to killer comets," and "extinctions tied to impact from space."

After following these steps, you should be able to identify which article title represents a citation under the news results.