The openings on the surfaces of plant leaves through which gases ...

[Mr.Thesaxman]

The openings on the surfaces of plant leaves through which gases move into and out of are known as
 
  A) guard cells. B) stomata. C) chlorophyll. D) chloroplasts.

Question 2

Air that is not saturated will cool or heat at a rate of ________ as it rises or descends, respectively.
 
  A) 10C per 1000 m (5.5F per 1000 ft.)
  B) 6.4C per 1000 m (3.5F per 1000 ft.)
  C) 6C per 1000 m (3.3F per 1000 ft.)

[kaykay69]

Answer to Question 1

B

Answer to Question 2

A

[Mr.Thesaxman]

Thanks for the timely response, appreciate it

[covalentbond]

Gracias!