One way to tell a nonessential phrase from an essential one is to ...

[SGallaher96]

One way to tell a nonessential phrase from an essential one is to think about whether you would pause before and after saying it.
  Indicate whether the statement is true or false

Question 2

When expressing thanks or offering congratulations, a purchased card is more impressive than a handwritten note.
  Indicate whether the statement is true or false

[brittanywood]

Answer to Question 1

true

Answer to Question 2

False