It's a verb that has to have a ACTION and a SUBJECT is the sentence.
The last one makes the most sense in this situation:)
Answer:
The website ends in.gov.
The purpose of the web page is to educate and not make money
There is a (copyright ©️) located somewhere on the webpage
Explanation:
These are the most likely answers as the other ones don't make sense.
I would also say that There is an at located somewhere on the web page. might be correct too.
C. uses
Uses is the only word that words in this context. The advertisement isn't keeping anything. It hopefully creates a desire in the consumer to buy a product but it doesn't create a technique. It also does intend to convince buyers but it can't intend a technique either. Techniques are used so this is the most accurate and precise replacement for has.