What evidence could be used to support the authors’ claims in this excerpt? Select three options. tweets (Twitter messages) describing the overthrow of Ben Ali at the time it happened
verifiable facts that help explain that social media has little effect on citizen journalism
speeches that give biographical accounts of the life and accomplishments of Mubarak
journal entries from a student describing how social media helped him join a protest
quotations from experts on social media use during uprisings within the Arab world

Tweets (Twitter messages) describing the overthrow of Ben Ali at the time it happened.

Journal entries from a student describing how social media helped him join a protest .

Quotations from experts on social media use during uprisings within the Arab world.

Explanation:

The given passage from "The Role of Social Media in the Arab Uprising" presents a claim by the authors that social media helped intensify the spread of the projection of Arab Uprising. Heather Brown, Emily Guskin, and Amy Mitchell present the claim that social media platforms allows greater coverage and spread awareness about the political turmoil.

Some pieces of evidence can help support their claim. First is the tweet messages that describe the overthrow of Ben Ali when it happened. This allows the electronic evidence that provides support to the claim. Moreover, a student's journal entry that describes how he was influenced to join a protest through social media and experts' quotations on social media use during the turmoil all help in providing validation to the claims made.  

Thus, the correct answers are the first, fourth and fifth options.

kenny´s more than 25 years of relevant public service. in the army for two decades, as official representative for four years, and now for the department of state, as ambassador. this career clearly demonstrates great capacities in the public sector.