A search engine is a program that searches/identify items in a database which corresponds to keywords specified by the user. A meta search engine is an online information retrieval tool that uses data of a web (search English) and that makes its own results. A subject directory is a service which offers a collection of links to the internet which is posted by creators. Hope this helped!
Horizontal is from side to side. Vertical is from top to bottom.
Answer:
a.
<h2> Black round eyes. hope helpful answer</h2>
