Air pressure drops ________ with altitude in a column of cold ...

[daltonest1984]

Air pressure drops ________ with altitude in a column of cold (dense) air than in a column of warm (less dense) air.
 
  A) less significantly B) more slowly C) equally D) more rapidly

Question 2

The 1985 Schengen Treaty
 
  A) gives citizens of one European country the right to hold a job, own property and live in another European country.
  B) restricts migration based on family reunification.
  C) specifically targets admittance of white collar professional migrants.
  D) was developed to control Europe's brain drain.
  E) is a specific agreement with China's coastal manufacturing cities.

[pangili4]

Answer to Question 1

D

Answer to Question 2

Answer: A

[daltonest1984]

Excellent

[xiazhe]

Gracias!