QUES: Q: For what was coal tar used in road paving?
A: During the early and mid-20th century when town gas was produced, coal tar was a readily available byproduct and extensively used as the binder for road aggregates.
Does the answer answer the question?

ANS: yes

QUES: Q: Why are the Marshall Islands the most endangered nation on Earth?
A: According to the president of Nauru, the Marshall Islands are the most endangered nation in the world due to flooding from climate change.
Does the answer answer the question?

ANS: yes

QUES: Q: Who filed a lawsuit over Survivor?
A: When the third album Survivor was released in May 2001, Luckett and Roberson filed a lawsuit claiming that the songs were aimed at them.
Does the answer answer the question?

ANS: yes

QUES: Q: What did Claris rename the Informix Wingz spreadsheet program?
A: When Claris was reincorporated back into Apple in 1998, ClarisWorks was renamed AppleWorks beginning with version 5.0.
Does the answer answer the question?

ANS:
no