They should be declared using style sheets (CSS).
Yes, and no, social network can distract a student like YouTube or face book, while it can be used as a tool for studying and to put your google documents in the cloud. plus if a teacher posts homework on his/her website, and you happen to forget the paper bringing it home, you can just simply print it instead of having to explain to the teacher
Answer:
A top-level domain or the TLD is the domain at the highest level in the hierarchy of the DNS. And that means in the Internet DNS. Also, the top-level domain is installed in the namespace toot zone. And the top-level domain is the .com, in general, to be named as the best one. The next two are the .net and .org. But since it is required to optimize the website for the mobile devices, we should select here .com.
Explanation:
Please check the answer section.