Natural gas floats on air. What does this tell us about its ...

[K@]

Natural gas floats on air. What does this tell us about its properties?
 
  A) It has a higher specific gravity than air. B) It has a higher density than air.
  C) It has a lower volume than air. D) It has a lower specific gravity than air.

Question 2

Why is safe driving a big part of HVACR job safety?
 
  A) You have to drive to get to work.
  B) There are not many other aspects of HVACR safety.
  C) Employers assume that safe drivers are smarter.
  D) Because many HVACR jobs involve driving to get to the job.

[momolu]

Answer to Question 1

D

Answer to Question 2

D