A pure aggregator is best defined as a blog that aggregates blog content from other sources.
An Aggregator blog or website don't write its own content. It aggregates information or content from third-party websites. There are different types of aggregator websites such as a poll aggregator, a review aggregator, and a search aggregator.
I think it the answer would be B but I'm not sure
A user can add a shadow to a table on Power Point presentation, b<span>y choosing the Layout tab under Table Tools, clicking on Effects, and selecting Shadow. The shadow can be inner, outer or perspective. The most commonly used is outer shadow.
</span>Adding a shadow behind the table will make the <span>data table to stand out on the screen and help bring the viewer’s attention.
Shades can be added also on text, tables, pictures inserted in the presentation and other object. </span>