On an isobaric surface, a. altitude is constant. b. temperature ...

[ereecah]

On an isobaric surface,
  a. altitude is constant.
  b. temperature is constant.
  c. pressure is constant.
  d. both a and c

Question 2

Pressure changes:a.
   more rapidly in the horizontal direction than in the vertical.
  b. more rapidly in the vertical direction than in the horizontal.
  c. at the same rate in the horizontal and vertical directions.
  d. more rapidly in the vertical over land than over the ocean.

[Ptupou85]

Answer to Question 1

c

Answer to Question 2

b

[ereecah]

Great answer, keep it coming

[emsimon14]

Gracias!