Can someone tell me how to write a claim for this?​

What is the best meaning for obscure in this line from the passage? a) ancient b) dark c) royal d) unknown

Astudent wants to replace the underlined word to make the meaning more precise.which phrase would be the best replacement for the underlined phrase ?

What evidence could be used to support the authors'claims in this excerpt? select three options.- tweets (twitter messages) describing the overthrow ofben ali at the time it happened- verifiable facts that explain that social media haslittle effect on citizen journalism-speeches that give biographical accounts of the life andaccomplishments of mubarak-journal entries from a student describing how socialmedia him join a protest- quotations from experts on social media use duringuprisings within the arab world