Meaning of render ??? please help

What’s the difference between extract and abstract as nouns and verbs?

Match the audience to the description of each speech

Which bibliography entry is written correctly and completely? a. johnson, marie. the solar age. chicago: energy options press, 2014. b. front page story. houston chronicle. 5 apr 2013. c. “will solar work? ” science news. march edition. d. friends of solar. mother earth society, accessed 15 jan 2014.