When you use coordination to combine ideas, you can use a FANBOYS ...

[stephzh]

When you use coordination to combine ideas, you can use a FANBOYS
  conjunction and a comma or a __________ and a joining word and a comma
 
  a) semicolon
  b) colon
  c) dash

Question 2

____________ allows you to emphasize one idea over another in one sentence.
  (Ex: Although I love opera, the high notes do bother my ears.)
 
  a) Subject-verb agreement
  b) Subordination
  c) Coordination

[Cnarkel]

Answer to Question 1

a

Answer to Question 2

b