A primary key is the answer. =)
Answer:
<h3><u>Microblogging </u></h3>
- <u>One of the best-known channels in the microblogging world. Twitter is a quick and convenient way to share short posts, GIFs, article links, videos and more. Pinterest: Companies on Pinterest link to products, articles and other useful information for </u><u>audiences </u><u>.</u>
Explanation:
<h2>Hope this helps you !! </h2>
Answer:pointsssExplanation: