Answer: Azzam used the tool while he was on the third page
Explanation:
The most likely the reason why the phrase was not fixed is because Azzam used the tool while he was on the third page.
This can be infered from the information given when we're told that he uses the Find and Replace tool and clicks on "Replace All" to fix the issue with regards to the error that he made and thus was done from the third page. Therefore, the tool might not have worked for the first page.
Most of the web applications are written with SPA frameworks such as Angular, React, Vue.js, etc. The problem with these SPAs is that the single page is loaded in the browser once and then the framework will take care of all the routing among pages and gives the impression to the user that it is a multi-page application. When you refresh your page in the browser that single page called index.html is reloaded and you will lose the entire state of the application.
B- menu...... hope this helps
The statement, "The amount of magnification gained from the extension tube is dependent on the focal length of the lens" is true.