These are the characteristics of good blogs.

use corporate jargon and abbreviations

use industry-specific vocabulary

updated frequently

use a friendly, professional tone

enable users to edit corporate documents

Updated Frequently

Use a friendly, professional tone.

Explanation:

A blog can be defined as an informal journal posted on a webpage either by an individual or group of people. A blog is written online and updated regularly.

There can be many purposes of writing a blog; it varies according to the writer. A blogger may write to express his/her feelings, views, etc. Or they can also write to share information related to anything such as education, etc.

The characteristics of a good blog are that it is updated regularly and written in a friendly and professional tone. A blog should be different from the existing ones, they should share the information which can not be found on other blogs.

Thus the correct answer is option third and fourth.

the answer is d underlined.