Answer to Question 1
Answer: FALSE
Explanation: The nouns in your business messages can vary dramatically in their degree of abstraction or concreteness.
Answer to Question 2
Answer: TRUE
Explanation: If you make errors of grammar or usage, you lose credibility with your audienceeven if your message is otherwise correct. Poor grammar suggests to readers that you lack professionalism, and they may choose not to trust you as an unprofessional source. Moreover, poor grammar may imply that you don't respect your audience enough to get things right.