Air is best described as a(n) ________. A) chemical compound ...

[washai]

Air is best described as a(n) ________.
 
  A) chemical compound
  B) element
  C) mixture
  D) colloid
  E) particulate

Question 2

Water vapor is nearly absent in ________.
 
  A) the upper reaches of the atmosphere
  B) the lower reaches of the atmosphere
  C) the troposphere
  D) the atmosphere over sea surfaces
  E) the atmosphere over land surfaces

[vkodali]

Answer to Question 1

Answer: C

Answer to Question 2

Answer: A

[washai]

Wow, this really help

[jordangronback]

Thanks for the timely response, appreciate it