Andy uses a dial-up modem to connect to the Internet. He usually browses news sites, but he notices that online video takes a long time to load. What could possibly be the problem?

It is because internet speeds provided by dial-up modem connection are very low.

Explanation:

Andy uses a dial-up modem internet connections. Such connections are very slow. Multimedia files such as videos have large file size. If the speed of the connection is fast, the file will be downloaded quickly to Andy's computer and he can watch them quickly. But through his slow dial-up connection, the files take a long time to download to his computer. This is why it takes such a long time for Andy to view them. e