C.) An article from a scholarly journal entitled "The impacts of testing on students ages 6-9" published in 2019
Explanation:
The reason that this is the correct answer is that the article is from a reliable source and it was written recently ensuring that you get updated information, as well as it is going through the exact information that you need for your research paper. If you were to choose A then it wouldn't really add anything to your research paper and it would just talk about a random teacher teaching experience, this source is neither enhancing nor reliable. If you were to choose B then it would be too outdated to be useful and or informative making the text not reliable and potentially giving you incorrect information. Next, if you were to choose D then it wouldn't be reliable since it isn't from a trustable source (Wikipedia) neither is it talking about information that is necessary for making your text more engaging
The question ask to choose among the following choices that best answer that could fit and support the statement in your question, and based on my further analysis about it, I came up with an answer of letter D. Substance. I hope you are satisfied with my answer and feel free to ask for more
A search engine uses machines to index webpages; a gateway is compiled by experts or librarians.
Explanation;
Gateway pages are pages specially optimized for one search engine and 1-3 keywords. Gateway pages or doorways stand on their own, separate from the rest of a site.
A search engine is a software designed to search for information on the internet.
